Home / 18,657.47-25,756.85-14,398.97

Finding the Fourth Proportional to 18,657.47, 25,756.85 and 14,398.97

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Solution

The fourth proportional to 18,657.47, 25,756.85 and 14,398.97 is: 19,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.47 : 25,756.85 = 14,398.97 : x
  2. Step 2: Convert to fraction form
    18,657.47/25,756.85 = 14,398.97/x
  3. Step 3: Cross multiply
    18,657.47x = 25,756.85 × 14,398.97
  4. Step 4: Simplify right side
    18,657.47x = 370,872,017.66
  5. Step 5: Solve for x
    x = 370,872,017.66/18,657.47
  6. Step 6: Final answer
    x = 19,877.93

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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.