Home / 10,785.32-14,883.18-6,069.90

Finding the Fourth Proportional to 10,785.32, 14,883.18 and 6,069.90

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Solution

The fourth proportional to 10,785.32, 14,883.18 and 6,069.90 is: 8,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.32 : 14,883.18 = 6,069.90 : x
  2. Step 2: Convert to fraction form
    10,785.32/14,883.18 = 6,069.90/x
  3. Step 3: Cross multiply
    10,785.32x = 14,883.18 × 6,069.90
  4. Step 4: Simplify right side
    10,785.32x = 90,339,447.33
  5. Step 5: Solve for x
    x = 90,339,447.33/10,785.32
  6. Step 6: Final answer
    x = 8,376.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.