Home / 22,015.89-33,038.87-8,869.29

Finding the Fourth Proportional to 22,015.89, 33,038.87 and 8,869.29

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Solution

The fourth proportional to 22,015.89, 33,038.87 and 8,869.29 is: 13,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.89 : 33,038.87 = 8,869.29 : x
  2. Step 2: Convert to fraction form
    22,015.89/33,038.87 = 8,869.29/x
  3. Step 3: Cross multiply
    22,015.89x = 33,038.87 × 8,869.29
  4. Step 4: Simplify right side
    22,015.89x = 293,031,319.30
  5. Step 5: Solve for x
    x = 293,031,319.30/22,015.89
  6. Step 6: Final answer
    x = 13,309.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.