Home / 18,614.60-25,688.41-10,116.89

Finding the Fourth Proportional to 18,614.60, 25,688.41 and 10,116.89

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Solution

The fourth proportional to 18,614.60, 25,688.41 and 10,116.89 is: 13,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.60 : 25,688.41 = 10,116.89 : x
  2. Step 2: Convert to fraction form
    18,614.60/25,688.41 = 10,116.89/x
  3. Step 3: Cross multiply
    18,614.60x = 25,688.41 × 10,116.89
  4. Step 4: Simplify right side
    18,614.60x = 259,886,857.17
  5. Step 5: Solve for x
    x = 259,886,857.17/18,614.60
  6. Step 6: Final answer
    x = 13,961.45

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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.