Home / 13,319.52-19,987.20-5,924.40

Finding the Fourth Proportional to 13,319.52, 19,987.20 and 5,924.40

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Solution

The fourth proportional to 13,319.52, 19,987.20 and 5,924.40 is: 8,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.52 : 19,987.20 = 5,924.40 : x
  2. Step 2: Convert to fraction form
    13,319.52/19,987.20 = 5,924.40/x
  3. Step 3: Cross multiply
    13,319.52x = 19,987.20 × 5,924.40
  4. Step 4: Simplify right side
    13,319.52x = 118,412,167.68
  5. Step 5: Solve for x
    x = 118,412,167.68/13,319.52
  6. Step 6: Final answer
    x = 8,890.12

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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.