Home / 10,272.04-15,406.46-2,875.72

Finding the Fourth Proportional to 10,272.04, 15,406.46 and 2,875.72

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Solution

The fourth proportional to 10,272.04, 15,406.46 and 2,875.72 is: 4,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.04 : 15,406.46 = 2,875.72 : x
  2. Step 2: Convert to fraction form
    10,272.04/15,406.46 = 2,875.72/x
  3. Step 3: Cross multiply
    10,272.04x = 15,406.46 × 2,875.72
  4. Step 4: Simplify right side
    10,272.04x = 44,304,665.15
  5. Step 5: Solve for x
    x = 44,304,665.15/10,272.04
  6. Step 6: Final answer
    x = 4,313.13

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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.