Home / 12,457.95-18,685.71-5,062.85

Finding the Fourth Proportional to 12,457.95, 18,685.71 and 5,062.85

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Solution

The fourth proportional to 12,457.95, 18,685.71 and 5,062.85 is: 7,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.95 : 18,685.71 = 5,062.85 : x
  2. Step 2: Convert to fraction form
    12,457.95/18,685.71 = 5,062.85/x
  3. Step 3: Cross multiply
    12,457.95x = 18,685.71 × 5,062.85
  4. Step 4: Simplify right side
    12,457.95x = 94,602,946.87
  5. Step 5: Solve for x
    x = 94,602,946.87/12,457.95
  6. Step 6: Final answer
    x = 7,593.78

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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.