Home / 18,787.23-25,926.38-10,289.88

Finding the Fourth Proportional to 18,787.23, 25,926.38 and 10,289.88

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Solution

The fourth proportional to 18,787.23, 25,926.38 and 10,289.88 is: 14,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.23 : 25,926.38 = 10,289.88 : x
  2. Step 2: Convert to fraction form
    18,787.23/25,926.38 = 10,289.88/x
  3. Step 3: Cross multiply
    18,787.23x = 25,926.38 × 10,289.88
  4. Step 4: Simplify right side
    18,787.23x = 266,779,287.59
  5. Step 5: Solve for x
    x = 266,779,287.59/18,787.23
  6. Step 6: Final answer
    x = 14,200.04

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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.