Home / 10,370.12-15,534.60-4,815.80

Finding the Fourth Proportional to 10,370.12, 15,534.60 and 4,815.80

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Solution

The fourth proportional to 10,370.12, 15,534.60 and 4,815.80 is: 7,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.12 : 15,534.60 = 4,815.80 : x
  2. Step 2: Convert to fraction form
    10,370.12/15,534.60 = 4,815.80/x
  3. Step 3: Cross multiply
    10,370.12x = 15,534.60 × 4,815.80
  4. Step 4: Simplify right side
    10,370.12x = 74,811,526.68
  5. Step 5: Solve for x
    x = 74,811,526.68/10,370.12
  6. Step 6: Final answer
    x = 7,214.14

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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.