Home / 13,178.50-19,779.45-6,162.33

Finding the Fourth Proportional to 13,178.50, 19,779.45 and 6,162.33

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Solution

The fourth proportional to 13,178.50, 19,779.45 and 6,162.33 is: 9,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.50 : 19,779.45 = 6,162.33 : x
  2. Step 2: Convert to fraction form
    13,178.50/19,779.45 = 6,162.33/x
  3. Step 3: Cross multiply
    13,178.50x = 19,779.45 × 6,162.33
  4. Step 4: Simplify right side
    13,178.50x = 121,887,549.18
  5. Step 5: Solve for x
    x = 121,887,549.18/13,178.50
  6. Step 6: Final answer
    x = 9,248.97

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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.