Home / 13,294.04-18,344.99-7,987.83

Finding the Fourth Proportional to 13,294.04, 18,344.99 and 7,987.83

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Solution

The fourth proportional to 13,294.04, 18,344.99 and 7,987.83 is: 11,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.04 : 18,344.99 = 7,987.83 : x
  2. Step 2: Convert to fraction form
    13,294.04/18,344.99 = 7,987.83/x
  3. Step 3: Cross multiply
    13,294.04x = 18,344.99 × 7,987.83
  4. Step 4: Simplify right side
    13,294.04x = 146,536,621.53
  5. Step 5: Solve for x
    x = 146,536,621.53/13,294.04
  6. Step 6: Final answer
    x = 11,022.73

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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.