Home / 8,889.98-12,269.67-5,166.14

Finding the Fourth Proportional to 8,889.98, 12,269.67 and 5,166.14

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Solution

The fourth proportional to 8,889.98, 12,269.67 and 5,166.14 is: 7,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.98 : 12,269.67 = 5,166.14 : x
  2. Step 2: Convert to fraction form
    8,889.98/12,269.67 = 5,166.14/x
  3. Step 3: Cross multiply
    8,889.98x = 12,269.67 × 5,166.14
  4. Step 4: Simplify right side
    8,889.98x = 63,386,832.97
  5. Step 5: Solve for x
    x = 63,386,832.97/8,889.98
  6. Step 6: Final answer
    x = 7,130.14

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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.