Home / 9,990.48-14,987.34-3,750.97

Finding the Fourth Proportional to 9,990.48, 14,987.34 and 3,750.97

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Solution

The fourth proportional to 9,990.48, 14,987.34 and 3,750.97 is: 5,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.48 : 14,987.34 = 3,750.97 : x
  2. Step 2: Convert to fraction form
    9,990.48/14,987.34 = 3,750.97/x
  3. Step 3: Cross multiply
    9,990.48x = 14,987.34 × 3,750.97
  4. Step 4: Simplify right side
    9,990.48x = 56,217,062.72
  5. Step 5: Solve for x
    x = 56,217,062.72/9,990.48
  6. Step 6: Final answer
    x = 5,627.06

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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.