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Finding the Fourth Proportional to 15,397.30, 23,085.02 and 7,903.12

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Solution

The fourth proportional to 15,397.30, 23,085.02 and 7,903.12 is: 11,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.30 : 23,085.02 = 7,903.12 : x
  2. Step 2: Convert to fraction form
    15,397.30/23,085.02 = 7,903.12/x
  3. Step 3: Cross multiply
    15,397.30x = 23,085.02 × 7,903.12
  4. Step 4: Simplify right side
    15,397.30x = 182,443,683.26
  5. Step 5: Solve for x
    x = 182,443,683.26/15,397.30
  6. Step 6: Final answer
    x = 11,849.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.