Home / 19,925.92-29,888.90-8,226.28

Finding the Fourth Proportional to 19,925.92, 29,888.90 and 8,226.28

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Solution

The fourth proportional to 19,925.92, 29,888.90 and 8,226.28 is: 12,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.92 : 29,888.90 = 8,226.28 : x
  2. Step 2: Convert to fraction form
    19,925.92/29,888.90 = 8,226.28/x
  3. Step 3: Cross multiply
    19,925.92x = 29,888.90 × 8,226.28
  4. Step 4: Simplify right side
    19,925.92x = 245,874,460.29
  5. Step 5: Solve for x
    x = 245,874,460.29/19,925.92
  6. Step 6: Final answer
    x = 12,339.43

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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.