Home / 14,631.32-20,150.70-12,641.24

Finding the Fourth Proportional to 14,631.32, 20,150.70 and 12,641.24

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Solution

The fourth proportional to 14,631.32, 20,150.70 and 12,641.24 is: 17,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.32 : 20,150.70 = 12,641.24 : x
  2. Step 2: Convert to fraction form
    14,631.32/20,150.70 = 12,641.24/x
  3. Step 3: Cross multiply
    14,631.32x = 20,150.70 × 12,641.24
  4. Step 4: Simplify right side
    14,631.32x = 254,729,834.87
  5. Step 5: Solve for x
    x = 254,729,834.87/14,631.32
  6. Step 6: Final answer
    x = 17,409.90

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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.