Home / 18,402.12-25,397.16-10,446.84

Finding the Fourth Proportional to 18,402.12, 25,397.16 and 10,446.84

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Solution

The fourth proportional to 18,402.12, 25,397.16 and 10,446.84 is: 14,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.12 : 25,397.16 = 10,446.84 : x
  2. Step 2: Convert to fraction form
    18,402.12/25,397.16 = 10,446.84/x
  3. Step 3: Cross multiply
    18,402.12x = 25,397.16 × 10,446.84
  4. Step 4: Simplify right side
    18,402.12x = 265,320,066.97
  5. Step 5: Solve for x
    x = 265,320,066.97/18,402.12
  6. Step 6: Final answer
    x = 14,417.91

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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.