Home / 11,371.60-15,681.54-10,264.06

Finding the Fourth Proportional to 11,371.60, 15,681.54 and 10,264.06

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Solution

The fourth proportional to 11,371.60, 15,681.54 and 10,264.06 is: 14,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.60 : 15,681.54 = 10,264.06 : x
  2. Step 2: Convert to fraction form
    11,371.60/15,681.54 = 10,264.06/x
  3. Step 3: Cross multiply
    11,371.60x = 15,681.54 × 10,264.06
  4. Step 4: Simplify right side
    11,371.60x = 160,956,267.45
  5. Step 5: Solve for x
    x = 160,956,267.45/11,371.60
  6. Step 6: Final answer
    x = 14,154.23

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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.