Home / 25,513.43-35,214.25-14,186.90

Finding the Fourth Proportional to 25,513.43, 35,214.25 and 14,186.90

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Solution

The fourth proportional to 25,513.43, 35,214.25 and 14,186.90 is: 19,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.43 : 35,214.25 = 14,186.90 : x
  2. Step 2: Convert to fraction form
    25,513.43/35,214.25 = 14,186.90/x
  3. Step 3: Cross multiply
    25,513.43x = 35,214.25 × 14,186.90
  4. Step 4: Simplify right side
    25,513.43x = 499,581,095.89
  5. Step 5: Solve for x
    x = 499,581,095.89/25,513.43
  6. Step 6: Final answer
    x = 19,581.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.