Home / 10,088.08-15,153.95-8,531.19

Finding the Fourth Proportional to 10,088.08, 15,153.95 and 8,531.19

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Solution

The fourth proportional to 10,088.08, 15,153.95 and 8,531.19 is: 12,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.08 : 15,153.95 = 8,531.19 : x
  2. Step 2: Convert to fraction form
    10,088.08/15,153.95 = 8,531.19/x
  3. Step 3: Cross multiply
    10,088.08x = 15,153.95 × 8,531.19
  4. Step 4: Simplify right side
    10,088.08x = 129,281,248.03
  5. Step 5: Solve for x
    x = 129,281,248.03/10,088.08
  6. Step 6: Final answer
    x = 12,815.25

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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.