Home / 14,779.13-20,398.61-9,744.26

Finding the Fourth Proportional to 14,779.13, 20,398.61 and 9,744.26

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Solution

The fourth proportional to 14,779.13, 20,398.61 and 9,744.26 is: 13,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.13 : 20,398.61 = 9,744.26 : x
  2. Step 2: Convert to fraction form
    14,779.13/20,398.61 = 9,744.26/x
  3. Step 3: Cross multiply
    14,779.13x = 20,398.61 × 9,744.26
  4. Step 4: Simplify right side
    14,779.13x = 198,769,281.85
  5. Step 5: Solve for x
    x = 198,769,281.85/14,779.13
  6. Step 6: Final answer
    x = 13,449.33

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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.