Home / 15,184.39-22,779.66-6,419.29

Finding the Fourth Proportional to 15,184.39, 22,779.66 and 6,419.29

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Solution

The fourth proportional to 15,184.39, 22,779.66 and 6,419.29 is: 9,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.39 : 22,779.66 = 6,419.29 : x
  2. Step 2: Convert to fraction form
    15,184.39/22,779.66 = 6,419.29/x
  3. Step 3: Cross multiply
    15,184.39x = 22,779.66 × 6,419.29
  4. Step 4: Simplify right side
    15,184.39x = 146,229,243.64
  5. Step 5: Solve for x
    x = 146,229,243.64/15,184.39
  6. Step 6: Final answer
    x = 9,630.23

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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.