Home / 14,864.16-20,512.80-8,576.76

Finding the Fourth Proportional to 14,864.16, 20,512.80 and 8,576.76

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Solution

The fourth proportional to 14,864.16, 20,512.80 and 8,576.76 is: 11,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.16 : 20,512.80 = 8,576.76 : x
  2. Step 2: Convert to fraction form
    14,864.16/20,512.80 = 8,576.76/x
  3. Step 3: Cross multiply
    14,864.16x = 20,512.80 × 8,576.76
  4. Step 4: Simplify right side
    14,864.16x = 175,933,362.53
  5. Step 5: Solve for x
    x = 175,933,362.53/14,864.16
  6. Step 6: Final answer
    x = 11,836.08

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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.