Home / 9,348.94-12,902.45-5,157.19

Finding the Fourth Proportional to 9,348.94, 12,902.45 and 5,157.19

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Solution

The fourth proportional to 9,348.94, 12,902.45 and 5,157.19 is: 7,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.94 : 12,902.45 = 5,157.19 : x
  2. Step 2: Convert to fraction form
    9,348.94/12,902.45 = 5,157.19/x
  3. Step 3: Cross multiply
    9,348.94x = 12,902.45 × 5,157.19
  4. Step 4: Simplify right side
    9,348.94x = 66,540,328.07
  5. Step 5: Solve for x
    x = 66,540,328.07/9,348.94
  6. Step 6: Final answer
    x = 7,117.42

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Half scale
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Double scale
Find fourth proportional to 9,349.94, 12,903.83 and 5,158.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.