Home / 9,553.80-13,171.76-6,901.86

Finding the Fourth Proportional to 9,553.80, 13,171.76 and 6,901.86

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Solution

The fourth proportional to 9,553.80, 13,171.76 and 6,901.86 is: 9,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.80 : 13,171.76 = 6,901.86 : x
  2. Step 2: Convert to fraction form
    9,553.80/13,171.76 = 6,901.86/x
  3. Step 3: Cross multiply
    9,553.80x = 13,171.76 × 6,901.86
  4. Step 4: Simplify right side
    9,553.80x = 90,909,643.47
  5. Step 5: Solve for x
    x = 90,909,643.47/9,553.80
  6. Step 6: Final answer
    x = 9,515.55

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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.