Home / 10,376.40-14,319.72-5,899.60

Finding the Fourth Proportional to 10,376.40, 14,319.72 and 5,899.60

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Solution

The fourth proportional to 10,376.40, 14,319.72 and 5,899.60 is: 8,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.40 : 14,319.72 = 5,899.60 : x
  2. Step 2: Convert to fraction form
    10,376.40/14,319.72 = 5,899.60/x
  3. Step 3: Cross multiply
    10,376.40x = 14,319.72 × 5,899.60
  4. Step 4: Simplify right side
    10,376.40x = 84,480,620.11
  5. Step 5: Solve for x
    x = 84,480,620.11/10,376.40
  6. Step 6: Final answer
    x = 8,141.61

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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.