Home / 9,423-13,004.15-5,231.25

Finding the Fourth Proportional to 9,423, 13,004.15 and 5,231.25

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Solution

The fourth proportional to 9,423, 13,004.15 and 5,231.25 is: 7,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423 : 13,004.15 = 5,231.25 : x
  2. Step 2: Convert to fraction form
    9,423/13,004.15 = 5,231.25/x
  3. Step 3: Cross multiply
    9,423x = 13,004.15 × 5,231.25
  4. Step 4: Simplify right side
    9,423x = 68,027,933.53
  5. Step 5: Solve for x
    x = 68,027,933.53/9,423
  6. Step 6: Final answer
    x = 7,219.35

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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.