Home / 10,282.96-15,421.74-3,707.92

Finding the Fourth Proportional to 10,282.96, 15,421.74 and 3,707.92

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Solution

The fourth proportional to 10,282.96, 15,421.74 and 3,707.92 is: 5,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.96 : 15,421.74 = 3,707.92 : x
  2. Step 2: Convert to fraction form
    10,282.96/15,421.74 = 3,707.92/x
  3. Step 3: Cross multiply
    10,282.96x = 15,421.74 × 3,707.92
  4. Step 4: Simplify right side
    10,282.96x = 57,182,578.18
  5. Step 5: Solve for x
    x = 57,182,578.18/10,282.96
  6. Step 6: Final answer
    x = 5,560.91

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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.