Home / 12,567.20-17,342.40-6,901.88

Finding the Fourth Proportional to 12,567.20, 17,342.40 and 6,901.88

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Solution

The fourth proportional to 12,567.20, 17,342.40 and 6,901.88 is: 9,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.20 : 17,342.40 = 6,901.88 : x
  2. Step 2: Convert to fraction form
    12,567.20/17,342.40 = 6,901.88/x
  3. Step 3: Cross multiply
    12,567.20x = 17,342.40 × 6,901.88
  4. Step 4: Simplify right side
    12,567.20x = 119,695,163.71
  5. Step 5: Solve for x
    x = 119,695,163.71/12,567.20
  6. Step 6: Final answer
    x = 9,524.41

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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.