Home / 16,780.93-23,151.92-10,405.22

Finding the Fourth Proportional to 16,780.93, 23,151.92 and 10,405.22

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Solution

The fourth proportional to 16,780.93, 23,151.92 and 10,405.22 is: 14,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.93 : 23,151.92 = 10,405.22 : x
  2. Step 2: Convert to fraction form
    16,780.93/23,151.92 = 10,405.22/x
  3. Step 3: Cross multiply
    16,780.93x = 23,151.92 × 10,405.22
  4. Step 4: Simplify right side
    16,780.93x = 240,900,888.70
  5. Step 5: Solve for x
    x = 240,900,888.70/16,780.93
  6. Step 6: Final answer
    x = 14,355.64

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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.