Home / 14,771.60-22,152.60-4,909.20

Finding the Fourth Proportional to 14,771.60, 22,152.60 and 4,909.20

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Solution

The fourth proportional to 14,771.60, 22,152.60 and 4,909.20 is: 7,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.60 : 22,152.60 = 4,909.20 : x
  2. Step 2: Convert to fraction form
    14,771.60/22,152.60 = 4,909.20/x
  3. Step 3: Cross multiply
    14,771.60x = 22,152.60 × 4,909.20
  4. Step 4: Simplify right side
    14,771.60x = 108,751,543.92
  5. Step 5: Solve for x
    x = 108,751,543.92/14,771.60
  6. Step 6: Final answer
    x = 7,362.20

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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.