Home / 19,177.04-28,755.81-8,779.88

Finding the Fourth Proportional to 19,177.04, 28,755.81 and 8,779.88

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Solution

The fourth proportional to 19,177.04, 28,755.81 and 8,779.88 is: 13,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.04 : 28,755.81 = 8,779.88 : x
  2. Step 2: Convert to fraction form
    19,177.04/28,755.81 = 8,779.88/x
  3. Step 3: Cross multiply
    19,177.04x = 28,755.81 × 8,779.88
  4. Step 4: Simplify right side
    19,177.04x = 252,472,417.32
  5. Step 5: Solve for x
    x = 252,472,417.32/19,177.04
  6. Step 6: Final answer
    x = 13,165.35

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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.