Home / 12,543.74-18,824.51-5,154.92

Finding the Fourth Proportional to 12,543.74, 18,824.51 and 5,154.92

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Solution

The fourth proportional to 12,543.74, 18,824.51 and 5,154.92 is: 7,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.74 : 18,824.51 = 5,154.92 : x
  2. Step 2: Convert to fraction form
    12,543.74/18,824.51 = 5,154.92/x
  3. Step 3: Cross multiply
    12,543.74x = 18,824.51 × 5,154.92
  4. Step 4: Simplify right side
    12,543.74x = 97,038,843.09
  5. Step 5: Solve for x
    x = 97,038,843.09/12,543.74
  6. Step 6: Final answer
    x = 7,736.04

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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.