Home / 25,287.86-37,913.06-12,127.70

Finding the Fourth Proportional to 25,287.86, 37,913.06 and 12,127.70

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Solution

The fourth proportional to 25,287.86, 37,913.06 and 12,127.70 is: 18,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.86 : 37,913.06 = 12,127.70 : x
  2. Step 2: Convert to fraction form
    25,287.86/37,913.06 = 12,127.70/x
  3. Step 3: Cross multiply
    25,287.86x = 37,913.06 × 12,127.70
  4. Step 4: Simplify right side
    25,287.86x = 459,797,967.56
  5. Step 5: Solve for x
    x = 459,797,967.56/25,287.86
  6. Step 6: Final answer
    x = 18,182.56

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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.