Home / 19,965.04-29,947.48-7,486

Finding the Fourth Proportional to 19,965.04, 29,947.48 and 7,486

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Solution

The fourth proportional to 19,965.04, 29,947.48 and 7,486 is: 11,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.04 : 29,947.48 = 7,486 : x
  2. Step 2: Convert to fraction form
    19,965.04/29,947.48 = 7,486/x
  3. Step 3: Cross multiply
    19,965.04x = 29,947.48 × 7,486
  4. Step 4: Simplify right side
    19,965.04x = 224,186,835.28
  5. Step 5: Solve for x
    x = 224,186,835.28/19,965.04
  6. Step 6: Final answer
    x = 11,228.97

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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.