Home / 9,333.52-13,987.80-6,856.72

Finding the Fourth Proportional to 9,333.52, 13,987.80 and 6,856.72

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Solution

The fourth proportional to 9,333.52, 13,987.80 and 6,856.72 is: 10,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.52 : 13,987.80 = 6,856.72 : x
  2. Step 2: Convert to fraction form
    9,333.52/13,987.80 = 6,856.72/x
  3. Step 3: Cross multiply
    9,333.52x = 13,987.80 × 6,856.72
  4. Step 4: Simplify right side
    9,333.52x = 95,910,428.02
  5. Step 5: Solve for x
    x = 95,910,428.02/9,333.52
  6. Step 6: Final answer
    x = 10,275.91

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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.