Home / 14,865.48-20,513.70-8,150.90

Finding the Fourth Proportional to 14,865.48, 20,513.70 and 8,150.90

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Solution

The fourth proportional to 14,865.48, 20,513.70 and 8,150.90 is: 11,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.48 : 20,513.70 = 8,150.90 : x
  2. Step 2: Convert to fraction form
    14,865.48/20,513.70 = 8,150.90/x
  3. Step 3: Cross multiply
    14,865.48x = 20,513.70 × 8,150.90
  4. Step 4: Simplify right side
    14,865.48x = 167,205,014.76
  5. Step 5: Solve for x
    x = 167,205,014.76/14,865.48
  6. Step 6: Final answer
    x = 11,247.87

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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.