Home / 9,542.70-13,150.80-6,885.36

Finding the Fourth Proportional to 9,542.70, 13,150.80 and 6,885.36

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Solution

The fourth proportional to 9,542.70, 13,150.80 and 6,885.36 is: 9,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542.70 : 13,150.80 = 6,885.36 : x
  2. Step 2: Convert to fraction form
    9,542.70/13,150.80 = 6,885.36/x
  3. Step 3: Cross multiply
    9,542.70x = 13,150.80 × 6,885.36
  4. Step 4: Simplify right side
    9,542.70x = 90,547,992.29
  5. Step 5: Solve for x
    x = 90,547,992.29/9,542.70
  6. Step 6: Final answer
    x = 9,488.72

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Half scale
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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.