Home / 10,873.12-14,999.16-6,887.40

Finding the Fourth Proportional to 10,873.12, 14,999.16 and 6,887.40

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Solution

The fourth proportional to 10,873.12, 14,999.16 and 6,887.40 is: 9,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.12 : 14,999.16 = 6,887.40 : x
  2. Step 2: Convert to fraction form
    10,873.12/14,999.16 = 6,887.40/x
  3. Step 3: Cross multiply
    10,873.12x = 14,999.16 × 6,887.40
  4. Step 4: Simplify right side
    10,873.12x = 103,305,214.58
  5. Step 5: Solve for x
    x = 103,305,214.58/10,873.12
  6. Step 6: Final answer
    x = 9,500.97

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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.