Home / 10,389.12-15,583.68-2,597.93

Finding the Fourth Proportional to 10,389.12, 15,583.68 and 2,597.93

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Solution

The fourth proportional to 10,389.12, 15,583.68 and 2,597.93 is: 3,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.12 : 15,583.68 = 2,597.93 : x
  2. Step 2: Convert to fraction form
    10,389.12/15,583.68 = 2,597.93/x
  3. Step 3: Cross multiply
    10,389.12x = 15,583.68 × 2,597.93
  4. Step 4: Simplify right side
    10,389.12x = 40,485,309.78
  5. Step 5: Solve for x
    x = 40,485,309.78/10,389.12
  6. Step 6: Final answer
    x = 3,896.90

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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.