Home / 8,663.38-11,956.28-5,127.12

Finding the Fourth Proportional to 8,663.38, 11,956.28 and 5,127.12

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Solution

The fourth proportional to 8,663.38, 11,956.28 and 5,127.12 is: 7,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.38 : 11,956.28 = 5,127.12 : x
  2. Step 2: Convert to fraction form
    8,663.38/11,956.28 = 5,127.12/x
  3. Step 3: Cross multiply
    8,663.38x = 11,956.28 × 5,127.12
  4. Step 4: Simplify right side
    8,663.38x = 61,301,256.68
  5. Step 5: Solve for x
    x = 61,301,256.68/8,663.38
  6. Step 6: Final answer
    x = 7,075.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.