Home / 15,559.38-23,345.97-8,162.10

Finding the Fourth Proportional to 15,559.38, 23,345.97 and 8,162.10

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Solution

The fourth proportional to 15,559.38, 23,345.97 and 8,162.10 is: 12,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.38 : 23,345.97 = 8,162.10 : x
  2. Step 2: Convert to fraction form
    15,559.38/23,345.97 = 8,162.10/x
  3. Step 3: Cross multiply
    15,559.38x = 23,345.97 × 8,162.10
  4. Step 4: Simplify right side
    15,559.38x = 190,552,141.74
  5. Step 5: Solve for x
    x = 190,552,141.74/15,559.38
  6. Step 6: Final answer
    x = 12,246.77

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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.