Home / 10,224.80-15,337.20-8,669.60

Finding the Fourth Proportional to 10,224.80, 15,337.20 and 8,669.60

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Solution

The fourth proportional to 10,224.80, 15,337.20 and 8,669.60 is: 13,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.80 : 15,337.20 = 8,669.60 : x
  2. Step 2: Convert to fraction form
    10,224.80/15,337.20 = 8,669.60/x
  3. Step 3: Cross multiply
    10,224.80x = 15,337.20 × 8,669.60
  4. Step 4: Simplify right side
    10,224.80x = 132,967,389.12
  5. Step 5: Solve for x
    x = 132,967,389.12/10,224.80
  6. Step 6: Final answer
    x = 13,004.40

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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.