Home / 14,209.20-19,588.23-9,947.12

Finding the Fourth Proportional to 14,209.20, 19,588.23 and 9,947.12

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Solution

The fourth proportional to 14,209.20, 19,588.23 and 9,947.12 is: 13,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.20 : 19,588.23 = 9,947.12 : x
  2. Step 2: Convert to fraction form
    14,209.20/19,588.23 = 9,947.12/x
  3. Step 3: Cross multiply
    14,209.20x = 19,588.23 × 9,947.12
  4. Step 4: Simplify right side
    14,209.20x = 194,846,376.46
  5. Step 5: Solve for x
    x = 194,846,376.46/14,209.20
  6. Step 6: Final answer
    x = 13,712.69

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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.