Home / 14,669.32-20,232.30-9,945.40

Finding the Fourth Proportional to 14,669.32, 20,232.30 and 9,945.40

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Solution

The fourth proportional to 14,669.32, 20,232.30 and 9,945.40 is: 13,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.32 : 20,232.30 = 9,945.40 : x
  2. Step 2: Convert to fraction form
    14,669.32/20,232.30 = 9,945.40/x
  3. Step 3: Cross multiply
    14,669.32x = 20,232.30 × 9,945.40
  4. Step 4: Simplify right side
    14,669.32x = 201,218,316.42
  5. Step 5: Solve for x
    x = 201,218,316.42/14,669.32
  6. Step 6: Final answer
    x = 13,716.95

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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.