Home / 19,319.98-28,984.13-5,992.71

Finding the Fourth Proportional to 19,319.98, 28,984.13 and 5,992.71

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Solution

The fourth proportional to 19,319.98, 28,984.13 and 5,992.71 is: 8,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.98 : 28,984.13 = 5,992.71 : x
  2. Step 2: Convert to fraction form
    19,319.98/28,984.13 = 5,992.71/x
  3. Step 3: Cross multiply
    19,319.98x = 28,984.13 × 5,992.71
  4. Step 4: Simplify right side
    19,319.98x = 173,693,419.40
  5. Step 5: Solve for x
    x = 173,693,419.40/19,319.98
  6. Step 6: Final answer
    x = 8,990.35

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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.