Home / 13,437.40-20,164.38-8,500.24

Finding the Fourth Proportional to 13,437.40, 20,164.38 and 8,500.24

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Solution

The fourth proportional to 13,437.40, 20,164.38 and 8,500.24 is: 12,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.40 : 20,164.38 = 8,500.24 : x
  2. Step 2: Convert to fraction form
    13,437.40/20,164.38 = 8,500.24/x
  3. Step 3: Cross multiply
    13,437.40x = 20,164.38 × 8,500.24
  4. Step 4: Simplify right side
    13,437.40x = 171,402,069.45
  5. Step 5: Solve for x
    x = 171,402,069.45/13,437.40
  6. Step 6: Final answer
    x = 12,755.60

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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.