Home / 10,877.76-16,316.64-4,304.88

Finding the Fourth Proportional to 10,877.76, 16,316.64 and 4,304.88

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Solution

The fourth proportional to 10,877.76, 16,316.64 and 4,304.88 is: 6,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.76 : 16,316.64 = 4,304.88 : x
  2. Step 2: Convert to fraction form
    10,877.76/16,316.64 = 4,304.88/x
  3. Step 3: Cross multiply
    10,877.76x = 16,316.64 × 4,304.88
  4. Step 4: Simplify right side
    10,877.76x = 70,241,177.20
  5. Step 5: Solve for x
    x = 70,241,177.20/10,877.76
  6. Step 6: Final answer
    x = 6,457.32

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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.