Home / 10,529.56-15,785.03-4,294.79

Finding the Fourth Proportional to 10,529.56, 15,785.03 and 4,294.79

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Solution

The fourth proportional to 10,529.56, 15,785.03 and 4,294.79 is: 6,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.56 : 15,785.03 = 4,294.79 : x
  2. Step 2: Convert to fraction form
    10,529.56/15,785.03 = 4,294.79/x
  3. Step 3: Cross multiply
    10,529.56x = 15,785.03 × 4,294.79
  4. Step 4: Simplify right side
    10,529.56x = 67,793,304.70
  5. Step 5: Solve for x
    x = 67,793,304.70/10,529.56
  6. Step 6: Final answer
    x = 6,438.38

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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.