Home / 14,779.28-20,388.97-9,737.03

Finding the Fourth Proportional to 14,779.28, 20,388.97 and 9,737.03

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Solution

The fourth proportional to 14,779.28, 20,388.97 and 9,737.03 is: 13,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.28 : 20,388.97 = 9,737.03 : x
  2. Step 2: Convert to fraction form
    14,779.28/20,388.97 = 9,737.03/x
  3. Step 3: Cross multiply
    14,779.28x = 20,388.97 × 9,737.03
  4. Step 4: Simplify right side
    14,779.28x = 198,528,012.56
  5. Step 5: Solve for x
    x = 198,528,012.56/14,779.28
  6. Step 6: Final answer
    x = 13,432.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.