Home / 10,227.10-15,340.65-4,384.30

Finding the Fourth Proportional to 10,227.10, 15,340.65 and 4,384.30

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Solution

The fourth proportional to 10,227.10, 15,340.65 and 4,384.30 is: 6,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.10 : 15,340.65 = 4,384.30 : x
  2. Step 2: Convert to fraction form
    10,227.10/15,340.65 = 4,384.30/x
  3. Step 3: Cross multiply
    10,227.10x = 15,340.65 × 4,384.30
  4. Step 4: Simplify right side
    10,227.10x = 67,258,011.80
  5. Step 5: Solve for x
    x = 67,258,011.80/10,227.10
  6. Step 6: Final answer
    x = 6,576.45

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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.