Home / 10,887.13-16,330.80-4,308.68

Finding the Fourth Proportional to 10,887.13, 16,330.80 and 4,308.68

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Solution

The fourth proportional to 10,887.13, 16,330.80 and 4,308.68 is: 6,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.13 : 16,330.80 = 4,308.68 : x
  2. Step 2: Convert to fraction form
    10,887.13/16,330.80 = 4,308.68/x
  3. Step 3: Cross multiply
    10,887.13x = 16,330.80 × 4,308.68
  4. Step 4: Simplify right side
    10,887.13x = 70,364,191.34
  5. Step 5: Solve for x
    x = 70,364,191.34/10,887.13
  6. Step 6: Final answer
    x = 6,463.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.