Home / 15,559.23-21,470.89-8,843.93

Finding the Fourth Proportional to 15,559.23, 21,470.89 and 8,843.93

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Solution

The fourth proportional to 15,559.23, 21,470.89 and 8,843.93 is: 12,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.23 : 21,470.89 = 8,843.93 : x
  2. Step 2: Convert to fraction form
    15,559.23/21,470.89 = 8,843.93/x
  3. Step 3: Cross multiply
    15,559.23x = 21,470.89 × 8,843.93
  4. Step 4: Simplify right side
    15,559.23x = 189,887,048.20
  5. Step 5: Solve for x
    x = 189,887,048.20/15,559.23
  6. Step 6: Final answer
    x = 12,204.14

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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.