Home / 12,519.36-18,779.04-5,598.72

Finding the Fourth Proportional to 12,519.36, 18,779.04 and 5,598.72

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Solution

The fourth proportional to 12,519.36, 18,779.04 and 5,598.72 is: 8,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.36 : 18,779.04 = 5,598.72 : x
  2. Step 2: Convert to fraction form
    12,519.36/18,779.04 = 5,598.72/x
  3. Step 3: Cross multiply
    12,519.36x = 18,779.04 × 5,598.72
  4. Step 4: Simplify right side
    12,519.36x = 105,138,586.83
  5. Step 5: Solve for x
    x = 105,138,586.83/12,519.36
  6. Step 6: Final answer
    x = 8,398.08

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Similar ratio
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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.