Home / 9,930.12-14,862.96-5,243.46

Finding the Fourth Proportional to 9,930.12, 14,862.96 and 5,243.46

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Solution

The fourth proportional to 9,930.12, 14,862.96 and 5,243.46 is: 7,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.12 : 14,862.96 = 5,243.46 : x
  2. Step 2: Convert to fraction form
    9,930.12/14,862.96 = 5,243.46/x
  3. Step 3: Cross multiply
    9,930.12x = 14,862.96 × 5,243.46
  4. Step 4: Simplify right side
    9,930.12x = 77,933,336.24
  5. Step 5: Solve for x
    x = 77,933,336.24/9,930.12
  6. Step 6: Final answer
    x = 7,848.18

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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.