Home / 19,472.24-29,209.92-7,779.04

Finding the Fourth Proportional to 19,472.24, 29,209.92 and 7,779.04

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Solution

The fourth proportional to 19,472.24, 29,209.92 and 7,779.04 is: 11,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.24 : 29,209.92 = 7,779.04 : x
  2. Step 2: Convert to fraction form
    19,472.24/29,209.92 = 7,779.04/x
  3. Step 3: Cross multiply
    19,472.24x = 29,209.92 × 7,779.04
  4. Step 4: Simplify right side
    19,472.24x = 227,225,136.08
  5. Step 5: Solve for x
    x = 227,225,136.08/19,472.24
  6. Step 6: Final answer
    x = 11,669.18

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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.