Home / 15,595.70-21,522.38-8,522.57

Finding the Fourth Proportional to 15,595.70, 21,522.38 and 8,522.57

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Solution

The fourth proportional to 15,595.70, 21,522.38 and 8,522.57 is: 11,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.70 : 21,522.38 = 8,522.57 : x
  2. Step 2: Convert to fraction form
    15,595.70/21,522.38 = 8,522.57/x
  3. Step 3: Cross multiply
    15,595.70x = 21,522.38 × 8,522.57
  4. Step 4: Simplify right side
    15,595.70x = 183,426,001.31
  5. Step 5: Solve for x
    x = 183,426,001.31/15,595.70
  6. Step 6: Final answer
    x = 11,761.32

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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.