Home / 14,511.60-21,793.80-12,697.20

Finding the Fourth Proportional to 14,511.60, 21,793.80 and 12,697.20

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Solution

The fourth proportional to 14,511.60, 21,793.80 and 12,697.20 is: 19,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.60 : 21,793.80 = 12,697.20 : x
  2. Step 2: Convert to fraction form
    14,511.60/21,793.80 = 12,697.20/x
  3. Step 3: Cross multiply
    14,511.60x = 21,793.80 × 12,697.20
  4. Step 4: Simplify right side
    14,511.60x = 276,720,237.36
  5. Step 5: Solve for x
    x = 276,720,237.36/14,511.60
  6. Step 6: Final answer
    x = 19,068.90

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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.