Home / 10,126.47-13,972.29-5,875.07

Finding the Fourth Proportional to 10,126.47, 13,972.29 and 5,875.07

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Solution

The fourth proportional to 10,126.47, 13,972.29 and 5,875.07 is: 8,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.47 : 13,972.29 = 5,875.07 : x
  2. Step 2: Convert to fraction form
    10,126.47/13,972.29 = 5,875.07/x
  3. Step 3: Cross multiply
    10,126.47x = 13,972.29 × 5,875.07
  4. Step 4: Simplify right side
    10,126.47x = 82,088,190.17
  5. Step 5: Solve for x
    x = 82,088,190.17/10,126.47
  6. Step 6: Final answer
    x = 8,106.30

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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.