Home / 15,827.70-23,722.11-8,887.62

Finding the Fourth Proportional to 15,827.70, 23,722.11 and 8,887.62

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Solution

The fourth proportional to 15,827.70, 23,722.11 and 8,887.62 is: 13,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.70 : 23,722.11 = 8,887.62 : x
  2. Step 2: Convert to fraction form
    15,827.70/23,722.11 = 8,887.62/x
  3. Step 3: Cross multiply
    15,827.70x = 23,722.11 × 8,887.62
  4. Step 4: Simplify right side
    15,827.70x = 210,833,099.28
  5. Step 5: Solve for x
    x = 210,833,099.28/15,827.70
  6. Step 6: Final answer
    x = 13,320.51

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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.