Home / 14,519.52-21,779.28-4,659.48

Finding the Fourth Proportional to 14,519.52, 21,779.28 and 4,659.48

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Solution

The fourth proportional to 14,519.52, 21,779.28 and 4,659.48 is: 6,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.52 : 21,779.28 = 4,659.48 : x
  2. Step 2: Convert to fraction form
    14,519.52/21,779.28 = 4,659.48/x
  3. Step 3: Cross multiply
    14,519.52x = 21,779.28 × 4,659.48
  4. Step 4: Simplify right side
    14,519.52x = 101,480,119.57
  5. Step 5: Solve for x
    x = 101,480,119.57/14,519.52
  6. Step 6: Final answer
    x = 6,989.22

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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.