Home / 9,343.02-12,883.32-9,205.14

Finding the Fourth Proportional to 9,343.02, 12,883.32 and 9,205.14

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Solution

The fourth proportional to 9,343.02, 12,883.32 and 9,205.14 is: 12,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.02 : 12,883.32 = 9,205.14 : x
  2. Step 2: Convert to fraction form
    9,343.02/12,883.32 = 9,205.14/x
  3. Step 3: Cross multiply
    9,343.02x = 12,883.32 × 9,205.14
  4. Step 4: Simplify right side
    9,343.02x = 118,592,764.26
  5. Step 5: Solve for x
    x = 118,592,764.26/9,343.02
  6. Step 6: Final answer
    x = 12,693.19

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Half scale
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Double scale
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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.