Home / 25,713.48-38,543.85-12,549.63

Finding the Fourth Proportional to 25,713.48, 38,543.85 and 12,549.63

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Solution

The fourth proportional to 25,713.48, 38,543.85 and 12,549.63 is: 18,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.48 : 38,543.85 = 12,549.63 : x
  2. Step 2: Convert to fraction form
    25,713.48/38,543.85 = 12,549.63/x
  3. Step 3: Cross multiply
    25,713.48x = 38,543.85 × 12,549.63
  4. Step 4: Simplify right side
    25,713.48x = 483,711,056.28
  5. Step 5: Solve for x
    x = 483,711,056.28/25,713.48
  6. Step 6: Final answer
    x = 18,811.57

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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.