Home / 8,999.17-12,417.71-5,020.45

Finding the Fourth Proportional to 8,999.17, 12,417.71 and 5,020.45

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Solution

The fourth proportional to 8,999.17, 12,417.71 and 5,020.45 is: 6,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.17 : 12,417.71 = 5,020.45 : x
  2. Step 2: Convert to fraction form
    8,999.17/12,417.71 = 5,020.45/x
  3. Step 3: Cross multiply
    8,999.17x = 12,417.71 × 5,020.45
  4. Step 4: Simplify right side
    8,999.17x = 62,342,436.02
  5. Step 5: Solve for x
    x = 62,342,436.02/8,999.17
  6. Step 6: Final answer
    x = 6,927.58

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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.