Home / 10,989.06-16,569.80-10,070.52

Finding the Fourth Proportional to 10,989.06, 16,569.80 and 10,070.52

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Solution

The fourth proportional to 10,989.06, 16,569.80 and 10,070.52 is: 15,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.06 : 16,569.80 = 10,070.52 : x
  2. Step 2: Convert to fraction form
    10,989.06/16,569.80 = 10,070.52/x
  3. Step 3: Cross multiply
    10,989.06x = 16,569.80 × 10,070.52
  4. Step 4: Simplify right side
    10,989.06x = 166,866,451.94
  5. Step 5: Solve for x
    x = 166,866,451.94/10,989.06
  6. Step 6: Final answer
    x = 15,184.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.