Home / 10,351.68-15,527.52-2,560.40

Finding the Fourth Proportional to 10,351.68, 15,527.52 and 2,560.40

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Solution

The fourth proportional to 10,351.68, 15,527.52 and 2,560.40 is: 3,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.68 : 15,527.52 = 2,560.40 : x
  2. Step 2: Convert to fraction form
    10,351.68/15,527.52 = 2,560.40/x
  3. Step 3: Cross multiply
    10,351.68x = 15,527.52 × 2,560.40
  4. Step 4: Simplify right side
    10,351.68x = 39,756,662.21
  5. Step 5: Solve for x
    x = 39,756,662.21/10,351.68
  6. Step 6: Final answer
    x = 3,840.60

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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.