Home / 10,265.71-15,397.05-2,870.92

Finding the Fourth Proportional to 10,265.71, 15,397.05 and 2,870.92

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Solution

The fourth proportional to 10,265.71, 15,397.05 and 2,870.92 is: 4,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.71 : 15,397.05 = 2,870.92 : x
  2. Step 2: Convert to fraction form
    10,265.71/15,397.05 = 2,870.92/x
  3. Step 3: Cross multiply
    10,265.71x = 15,397.05 × 2,870.92
  4. Step 4: Simplify right side
    10,265.71x = 44,203,698.79
  5. Step 5: Solve for x
    x = 44,203,698.79/10,265.71
  6. Step 6: Final answer
    x = 4,305.96

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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.