Home / 43,015.59-64,523.28-11,428.83

Finding the Fourth Proportional to 43,015.59, 64,523.28 and 11,428.83

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Solution

The fourth proportional to 43,015.59, 64,523.28 and 11,428.83 is: 17,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015.59 : 64,523.28 = 11,428.83 : x
  2. Step 2: Convert to fraction form
    43,015.59/64,523.28 = 11,428.83/x
  3. Step 3: Cross multiply
    43,015.59x = 64,523.28 × 11,428.83
  4. Step 4: Simplify right side
    43,015.59x = 737,425,641.02
  5. Step 5: Solve for x
    x = 737,425,641.02/43,015.59
  6. Step 6: Final answer
    x = 17,143.22

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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.