Home / 13,248.04-19,871.98-3,387.30

Finding the Fourth Proportional to 13,248.04, 19,871.98 and 3,387.30

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Solution

The fourth proportional to 13,248.04, 19,871.98 and 3,387.30 is: 5,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.04 : 19,871.98 = 3,387.30 : x
  2. Step 2: Convert to fraction form
    13,248.04/19,871.98 = 3,387.30/x
  3. Step 3: Cross multiply
    13,248.04x = 19,871.98 × 3,387.30
  4. Step 4: Simplify right side
    13,248.04x = 67,312,357.85
  5. Step 5: Solve for x
    x = 67,312,357.85/13,248.04
  6. Step 6: Final answer
    x = 5,080.93

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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.