Home / 9,763.20-14,636.16-8,818.56

Finding the Fourth Proportional to 9,763.20, 14,636.16 and 8,818.56

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Solution

The fourth proportional to 9,763.20, 14,636.16 and 8,818.56 is: 13,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.20 : 14,636.16 = 8,818.56 : x
  2. Step 2: Convert to fraction form
    9,763.20/14,636.16 = 8,818.56/x
  3. Step 3: Cross multiply
    9,763.20x = 14,636.16 × 8,818.56
  4. Step 4: Simplify right side
    9,763.20x = 129,069,855.13
  5. Step 5: Solve for x
    x = 129,069,855.13/9,763.20
  6. Step 6: Final answer
    x = 13,220.04

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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.