Home / 10,099.76-15,126.12-9,749.43

Finding the Fourth Proportional to 10,099.76, 15,126.12 and 9,749.43

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Solution

The fourth proportional to 10,099.76, 15,126.12 and 9,749.43 is: 14,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.76 : 15,126.12 = 9,749.43 : x
  2. Step 2: Convert to fraction form
    10,099.76/15,126.12 = 9,749.43/x
  3. Step 3: Cross multiply
    10,099.76x = 15,126.12 × 9,749.43
  4. Step 4: Simplify right side
    10,099.76x = 147,471,048.11
  5. Step 5: Solve for x
    x = 147,471,048.11/10,099.76
  6. Step 6: Final answer
    x = 14,601.45

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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.