Home / 14,779.60-22,105.40-13,230.80

Finding the Fourth Proportional to 14,779.60, 22,105.40 and 13,230.80

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Solution

The fourth proportional to 14,779.60, 22,105.40 and 13,230.80 is: 19,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.60 : 22,105.40 = 13,230.80 : x
  2. Step 2: Convert to fraction form
    14,779.60/22,105.40 = 13,230.80/x
  3. Step 3: Cross multiply
    14,779.60x = 22,105.40 × 13,230.80
  4. Step 4: Simplify right side
    14,779.60x = 292,472,126.32
  5. Step 5: Solve for x
    x = 292,472,126.32/14,779.60
  6. Step 6: Final answer
    x = 19,788.91

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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.