Home / 8,999.52-12,419.22-5,021.07

Finding the Fourth Proportional to 8,999.52, 12,419.22 and 5,021.07

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Solution

The fourth proportional to 8,999.52, 12,419.22 and 5,021.07 is: 6,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.52 : 12,419.22 = 5,021.07 : x
  2. Step 2: Convert to fraction form
    8,999.52/12,419.22 = 5,021.07/x
  3. Step 3: Cross multiply
    8,999.52x = 12,419.22 × 5,021.07
  4. Step 4: Simplify right side
    8,999.52x = 62,357,772.97
  5. Step 5: Solve for x
    x = 62,357,772.97/8,999.52
  6. Step 6: Final answer
    x = 6,929.01

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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.