Home / 15,979.65-22,053.17-8,810.84

Finding the Fourth Proportional to 15,979.65, 22,053.17 and 8,810.84

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Solution

The fourth proportional to 15,979.65, 22,053.17 and 8,810.84 is: 12,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.65 : 22,053.17 = 8,810.84 : x
  2. Step 2: Convert to fraction form
    15,979.65/22,053.17 = 8,810.84/x
  3. Step 3: Cross multiply
    15,979.65x = 22,053.17 × 8,810.84
  4. Step 4: Simplify right side
    15,979.65x = 194,306,952.36
  5. Step 5: Solve for x
    x = 194,306,952.36/15,979.65
  6. Step 6: Final answer
    x = 12,159.65

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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.