Home / 17,854.47-26,779.37-4,707.88

Finding the Fourth Proportional to 17,854.47, 26,779.37 and 4,707.88

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Solution

The fourth proportional to 17,854.47, 26,779.37 and 4,707.88 is: 7,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.47 : 26,779.37 = 4,707.88 : x
  2. Step 2: Convert to fraction form
    17,854.47/26,779.37 = 4,707.88/x
  3. Step 3: Cross multiply
    17,854.47x = 26,779.37 × 4,707.88
  4. Step 4: Simplify right side
    17,854.47x = 126,073,969.95
  5. Step 5: Solve for x
    x = 126,073,969.95/17,854.47
  6. Step 6: Final answer
    x = 7,061.20

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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.