Home / 42,863.59-64,294.62-11,698.84

Finding the Fourth Proportional to 42,863.59, 64,294.62 and 11,698.84

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Solution

The fourth proportional to 42,863.59, 64,294.62 and 11,698.84 is: 17,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.59 : 64,294.62 = 11,698.84 : x
  2. Step 2: Convert to fraction form
    42,863.59/64,294.62 = 11,698.84/x
  3. Step 3: Cross multiply
    42,863.59x = 64,294.62 × 11,698.84
  4. Step 4: Simplify right side
    42,863.59x = 752,172,472.24
  5. Step 5: Solve for x
    x = 752,172,472.24/42,863.59
  6. Step 6: Final answer
    x = 17,548.05

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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.