Home / 18,737.83-25,858.61-10,780.59

Finding the Fourth Proportional to 18,737.83, 25,858.61 and 10,780.59

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Solution

The fourth proportional to 18,737.83, 25,858.61 and 10,780.59 is: 14,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.83 : 25,858.61 = 10,780.59 : x
  2. Step 2: Convert to fraction form
    18,737.83/25,858.61 = 10,780.59/x
  3. Step 3: Cross multiply
    18,737.83x = 25,858.61 × 10,780.59
  4. Step 4: Simplify right side
    18,737.83x = 278,771,155.87
  5. Step 5: Solve for x
    x = 278,771,155.87/18,737.83
  6. Step 6: Final answer
    x = 14,877.45

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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.