Home / 14,979.06-20,686.77-9,393.14

Finding the Fourth Proportional to 14,979.06, 20,686.77 and 9,393.14

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Solution

The fourth proportional to 14,979.06, 20,686.77 and 9,393.14 is: 12,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.06 : 20,686.77 = 9,393.14 : x
  2. Step 2: Convert to fraction form
    14,979.06/20,686.77 = 9,393.14/x
  3. Step 3: Cross multiply
    14,979.06x = 20,686.77 × 9,393.14
  4. Step 4: Simplify right side
    14,979.06x = 194,313,726.76
  5. Step 5: Solve for x
    x = 194,313,726.76/14,979.06
  6. Step 6: Final answer
    x = 12,972.36

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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.