Home / 13,348.28-19,996.70-7,487.12

Finding the Fourth Proportional to 13,348.28, 19,996.70 and 7,487.12

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Solution

The fourth proportional to 13,348.28, 19,996.70 and 7,487.12 is: 11,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.28 : 19,996.70 = 7,487.12 : x
  2. Step 2: Convert to fraction form
    13,348.28/19,996.70 = 7,487.12/x
  3. Step 3: Cross multiply
    13,348.28x = 19,996.70 × 7,487.12
  4. Step 4: Simplify right side
    13,348.28x = 149,717,555.08
  5. Step 5: Solve for x
    x = 149,717,555.08/13,348.28
  6. Step 6: Final answer
    x = 11,216.25

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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.