Home / 10,527.07-15,776.94-4,279.81

Finding the Fourth Proportional to 10,527.07, 15,776.94 and 4,279.81

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Solution

The fourth proportional to 10,527.07, 15,776.94 and 4,279.81 is: 6,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.07 : 15,776.94 = 4,279.81 : x
  2. Step 2: Convert to fraction form
    10,527.07/15,776.94 = 4,279.81/x
  3. Step 3: Cross multiply
    10,527.07x = 15,776.94 × 4,279.81
  4. Step 4: Simplify right side
    10,527.07x = 67,522,305.58
  5. Step 5: Solve for x
    x = 67,522,305.58/10,527.07
  6. Step 6: Final answer
    x = 6,414.16

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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.