Home / 9,985.24-14,948.70-7,211.80

Finding the Fourth Proportional to 9,985.24, 14,948.70 and 7,211.80

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Solution

The fourth proportional to 9,985.24, 14,948.70 and 7,211.80 is: 10,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.24 : 14,948.70 = 7,211.80 : x
  2. Step 2: Convert to fraction form
    9,985.24/14,948.70 = 7,211.80/x
  3. Step 3: Cross multiply
    9,985.24x = 14,948.70 × 7,211.80
  4. Step 4: Simplify right side
    9,985.24x = 107,807,034.66
  5. Step 5: Solve for x
    x = 107,807,034.66/9,985.24
  6. Step 6: Final answer
    x = 10,796.64

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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.