Home / 10,087.01-15,130.58-3,513.17

Finding the Fourth Proportional to 10,087.01, 15,130.58 and 3,513.17

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Solution

The fourth proportional to 10,087.01, 15,130.58 and 3,513.17 is: 5,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.01 : 15,130.58 = 3,513.17 : x
  2. Step 2: Convert to fraction form
    10,087.01/15,130.58 = 3,513.17/x
  3. Step 3: Cross multiply
    10,087.01x = 15,130.58 × 3,513.17
  4. Step 4: Simplify right side
    10,087.01x = 53,156,263.26
  5. Step 5: Solve for x
    x = 53,156,263.26/10,087.01
  6. Step 6: Final answer
    x = 5,269.78

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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.