Home / 10,168.32-14,032.71-6,288.57

Finding the Fourth Proportional to 10,168.32, 14,032.71 and 6,288.57

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Solution

The fourth proportional to 10,168.32, 14,032.71 and 6,288.57 is: 8,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.32 : 14,032.71 = 6,288.57 : x
  2. Step 2: Convert to fraction form
    10,168.32/14,032.71 = 6,288.57/x
  3. Step 3: Cross multiply
    10,168.32x = 14,032.71 × 6,288.57
  4. Step 4: Simplify right side
    10,168.32x = 88,245,679.12
  5. Step 5: Solve for x
    x = 88,245,679.12/10,168.32
  6. Step 6: Final answer
    x = 8,678.49

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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.