Home / 19,388.04-29,085.12-8,294.80

Finding the Fourth Proportional to 19,388.04, 29,085.12 and 8,294.80

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Solution

The fourth proportional to 19,388.04, 29,085.12 and 8,294.80 is: 12,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.04 : 29,085.12 = 8,294.80 : x
  2. Step 2: Convert to fraction form
    19,388.04/29,085.12 = 8,294.80/x
  3. Step 3: Cross multiply
    19,388.04x = 29,085.12 × 8,294.80
  4. Step 4: Simplify right side
    19,388.04x = 241,255,253.38
  5. Step 5: Solve for x
    x = 241,255,253.38/19,388.04
  6. Step 6: Final answer
    x = 12,443.51

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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.