Home / 15,606.76-21,532.05-8,887.62

Finding the Fourth Proportional to 15,606.76, 21,532.05 and 8,887.62

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Solution

The fourth proportional to 15,606.76, 21,532.05 and 8,887.62 is: 12,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.76 : 21,532.05 = 8,887.62 : x
  2. Step 2: Convert to fraction form
    15,606.76/21,532.05 = 8,887.62/x
  3. Step 3: Cross multiply
    15,606.76x = 21,532.05 × 8,887.62
  4. Step 4: Simplify right side
    15,606.76x = 191,368,754.27
  5. Step 5: Solve for x
    x = 191,368,754.27/15,606.76
  6. Step 6: Final answer
    x = 12,261.91

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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.