Home / 10,423.22-15,637.75-4,187.61

Finding the Fourth Proportional to 10,423.22, 15,637.75 and 4,187.61

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Solution

The fourth proportional to 10,423.22, 15,637.75 and 4,187.61 is: 6,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.22 : 15,637.75 = 4,187.61 : x
  2. Step 2: Convert to fraction form
    10,423.22/15,637.75 = 4,187.61/x
  3. Step 3: Cross multiply
    10,423.22x = 15,637.75 × 4,187.61
  4. Step 4: Simplify right side
    10,423.22x = 65,484,743.83
  5. Step 5: Solve for x
    x = 65,484,743.83/10,423.22
  6. Step 6: Final answer
    x = 6,282.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.