Home / 8,989.83-13,461.15-7,225.46

Finding the Fourth Proportional to 8,989.83, 13,461.15 and 7,225.46

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Solution

The fourth proportional to 8,989.83, 13,461.15 and 7,225.46 is: 10,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.83 : 13,461.15 = 7,225.46 : x
  2. Step 2: Convert to fraction form
    8,989.83/13,461.15 = 7,225.46/x
  3. Step 3: Cross multiply
    8,989.83x = 13,461.15 × 7,225.46
  4. Step 4: Simplify right side
    8,989.83x = 97,262,933.57
  5. Step 5: Solve for x
    x = 97,262,933.57/8,989.83
  6. Step 6: Final answer
    x = 10,819.22

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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.