Home / 15,829.22-21,818.97-10,723.18

Finding the Fourth Proportional to 15,829.22, 21,818.97 and 10,723.18

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Solution

The fourth proportional to 15,829.22, 21,818.97 and 10,723.18 is: 14,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.22 : 21,818.97 = 10,723.18 : x
  2. Step 2: Convert to fraction form
    15,829.22/21,818.97 = 10,723.18/x
  3. Step 3: Cross multiply
    15,829.22x = 21,818.97 × 10,723.18
  4. Step 4: Simplify right side
    15,829.22x = 233,968,805.01
  5. Step 5: Solve for x
    x = 233,968,805.01/15,829.22
  6. Step 6: Final answer
    x = 14,780.82

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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.