Home / 25,243.80-37,865.70-12,089.40

Finding the Fourth Proportional to 25,243.80, 37,865.70 and 12,089.40

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Solution

The fourth proportional to 25,243.80, 37,865.70 and 12,089.40 is: 18,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.80 : 37,865.70 = 12,089.40 : x
  2. Step 2: Convert to fraction form
    25,243.80/37,865.70 = 12,089.40/x
  3. Step 3: Cross multiply
    25,243.80x = 37,865.70 × 12,089.40
  4. Step 4: Simplify right side
    25,243.80x = 457,773,593.58
  5. Step 5: Solve for x
    x = 457,773,593.58/25,243.80
  6. Step 6: Final answer
    x = 18,134.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.