Home / 25,549.86-38,299.89-12,219.38

Finding the Fourth Proportional to 25,549.86, 38,299.89 and 12,219.38

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Solution

The fourth proportional to 25,549.86, 38,299.89 and 12,219.38 is: 18,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.86 : 38,299.89 = 12,219.38 : x
  2. Step 2: Convert to fraction form
    25,549.86/38,299.89 = 12,219.38/x
  3. Step 3: Cross multiply
    25,549.86x = 38,299.89 × 12,219.38
  4. Step 4: Simplify right side
    25,549.86x = 468,000,946.80
  5. Step 5: Solve for x
    x = 468,000,946.80/25,549.86
  6. Step 6: Final answer
    x = 18,317.17

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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.