Home / 15,397.40-23,038.32-9,134.48

Finding the Fourth Proportional to 15,397.40, 23,038.32 and 9,134.48

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Solution

The fourth proportional to 15,397.40, 23,038.32 and 9,134.48 is: 13,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.40 : 23,038.32 = 9,134.48 : x
  2. Step 2: Convert to fraction form
    15,397.40/23,038.32 = 9,134.48/x
  3. Step 3: Cross multiply
    15,397.40x = 23,038.32 × 9,134.48
  4. Step 4: Simplify right side
    15,397.40x = 210,443,073.27
  5. Step 5: Solve for x
    x = 210,443,073.27/15,397.40
  6. Step 6: Final answer
    x = 13,667.44

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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.