Home / 13,748.60-20,622.90-8,823.80

Finding the Fourth Proportional to 13,748.60, 20,622.90 and 8,823.80

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Solution

The fourth proportional to 13,748.60, 20,622.90 and 8,823.80 is: 13,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.60 : 20,622.90 = 8,823.80 : x
  2. Step 2: Convert to fraction form
    13,748.60/20,622.90 = 8,823.80/x
  3. Step 3: Cross multiply
    13,748.60x = 20,622.90 × 8,823.80
  4. Step 4: Simplify right side
    13,748.60x = 181,972,345.02
  5. Step 5: Solve for x
    x = 181,972,345.02/13,748.60
  6. Step 6: Final answer
    x = 13,235.70

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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.