Home / 10,955.07-16,432.59-4,382.79

Finding the Fourth Proportional to 10,955.07, 16,432.59 and 4,382.79

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Solution

The fourth proportional to 10,955.07, 16,432.59 and 4,382.79 is: 6,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.07 : 16,432.59 = 4,382.79 : x
  2. Step 2: Convert to fraction form
    10,955.07/16,432.59 = 4,382.79/x
  3. Step 3: Cross multiply
    10,955.07x = 16,432.59 × 4,382.79
  4. Step 4: Simplify right side
    10,955.07x = 72,020,591.13
  5. Step 5: Solve for x
    x = 72,020,591.13/10,955.07
  6. Step 6: Final answer
    x = 6,574.18

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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.