Home / 10,209.52-14,094.84-8,187.76

Finding the Fourth Proportional to 10,209.52, 14,094.84 and 8,187.76

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Solution

The fourth proportional to 10,209.52, 14,094.84 and 8,187.76 is: 11,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.52 : 14,094.84 = 8,187.76 : x
  2. Step 2: Convert to fraction form
    10,209.52/14,094.84 = 8,187.76/x
  3. Step 3: Cross multiply
    10,209.52x = 14,094.84 × 8,187.76
  4. Step 4: Simplify right side
    10,209.52x = 115,405,167.16
  5. Step 5: Solve for x
    x = 115,405,167.16/10,209.52
  6. Step 6: Final answer
    x = 11,303.68

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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.