Home / 10,302.32-15,424.05-9,648.40

Finding the Fourth Proportional to 10,302.32, 15,424.05 and 9,648.40

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Solution

The fourth proportional to 10,302.32, 15,424.05 and 9,648.40 is: 14,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.32 : 15,424.05 = 9,648.40 : x
  2. Step 2: Convert to fraction form
    10,302.32/15,424.05 = 9,648.40/x
  3. Step 3: Cross multiply
    10,302.32x = 15,424.05 × 9,648.40
  4. Step 4: Simplify right side
    10,302.32x = 148,817,404.02
  5. Step 5: Solve for x
    x = 148,817,404.02/10,302.32
  6. Step 6: Final answer
    x = 14,445.04

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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.