Home / 13,053.60-18,006.50-8,264.75

Finding the Fourth Proportional to 13,053.60, 18,006.50 and 8,264.75

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Solution

The fourth proportional to 13,053.60, 18,006.50 and 8,264.75 is: 11,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.60 : 18,006.50 = 8,264.75 : x
  2. Step 2: Convert to fraction form
    13,053.60/18,006.50 = 8,264.75/x
  3. Step 3: Cross multiply
    13,053.60x = 18,006.50 × 8,264.75
  4. Step 4: Simplify right side
    13,053.60x = 148,819,151.50
  5. Step 5: Solve for x
    x = 148,819,151.50/13,053.60
  6. Step 6: Final answer
    x = 11,400.62

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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.