Home / 13,589.04-18,753.74-7,539.52

Finding the Fourth Proportional to 13,589.04, 18,753.74 and 7,539.52

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Solution

The fourth proportional to 13,589.04, 18,753.74 and 7,539.52 is: 10,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.04 : 18,753.74 = 7,539.52 : x
  2. Step 2: Convert to fraction form
    13,589.04/18,753.74 = 7,539.52/x
  3. Step 3: Cross multiply
    13,589.04x = 18,753.74 × 7,539.52
  4. Step 4: Simplify right side
    13,589.04x = 141,394,197.80
  5. Step 5: Solve for x
    x = 141,394,197.80/13,589.04
  6. Step 6: Final answer
    x = 10,405.02

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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.