Home / 10,127.24-15,117.59-8,749.43

Finding the Fourth Proportional to 10,127.24, 15,117.59 and 8,749.43

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Solution

The fourth proportional to 10,127.24, 15,117.59 and 8,749.43 is: 13,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.24 : 15,117.59 = 8,749.43 : x
  2. Step 2: Convert to fraction form
    10,127.24/15,117.59 = 8,749.43/x
  3. Step 3: Cross multiply
    10,127.24x = 15,117.59 × 8,749.43
  4. Step 4: Simplify right side
    10,127.24x = 132,270,176.14
  5. Step 5: Solve for x
    x = 132,270,176.14/10,127.24
  6. Step 6: Final answer
    x = 13,060.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.