Home / 8,989.23-12,405.56-5,010.37

Finding the Fourth Proportional to 8,989.23, 12,405.56 and 5,010.37

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Solution

The fourth proportional to 8,989.23, 12,405.56 and 5,010.37 is: 6,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.23 : 12,405.56 = 5,010.37 : x
  2. Step 2: Convert to fraction form
    8,989.23/12,405.56 = 5,010.37/x
  3. Step 3: Cross multiply
    8,989.23x = 12,405.56 × 5,010.37
  4. Step 4: Simplify right side
    8,989.23x = 62,156,458.18
  5. Step 5: Solve for x
    x = 62,156,458.18/8,989.23
  6. Step 6: Final answer
    x = 6,914.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.