Home / 15,595.89-21,522.69-8,522.70

Finding the Fourth Proportional to 15,595.89, 21,522.69 and 8,522.70

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Solution

The fourth proportional to 15,595.89, 21,522.69 and 8,522.70 is: 11,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.89 : 21,522.69 = 8,522.70 : x
  2. Step 2: Convert to fraction form
    15,595.89/21,522.69 = 8,522.70/x
  3. Step 3: Cross multiply
    15,595.89x = 21,522.69 × 8,522.70
  4. Step 4: Simplify right side
    15,595.89x = 183,431,430.06
  5. Step 5: Solve for x
    x = 183,431,430.06/15,595.89
  6. Step 6: Final answer
    x = 11,761.52

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Double scale
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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.