Home / 10,126.08-15,190.08-4,929.12

Finding the Fourth Proportional to 10,126.08, 15,190.08 and 4,929.12

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Solution

The fourth proportional to 10,126.08, 15,190.08 and 4,929.12 is: 7,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.08 : 15,190.08 = 4,929.12 : x
  2. Step 2: Convert to fraction form
    10,126.08/15,190.08 = 4,929.12/x
  3. Step 3: Cross multiply
    10,126.08x = 15,190.08 × 4,929.12
  4. Step 4: Simplify right side
    10,126.08x = 74,873,727.13
  5. Step 5: Solve for x
    x = 74,873,727.13/10,126.08
  6. Step 6: Final answer
    x = 7,394.15

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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.