Home / 12,384.29-18,576.24-4,988.56

Finding the Fourth Proportional to 12,384.29, 18,576.24 and 4,988.56

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Solution

The fourth proportional to 12,384.29, 18,576.24 and 4,988.56 is: 7,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.29 : 18,576.24 = 4,988.56 : x
  2. Step 2: Convert to fraction form
    12,384.29/18,576.24 = 4,988.56/x
  3. Step 3: Cross multiply
    12,384.29x = 18,576.24 × 4,988.56
  4. Step 4: Simplify right side
    12,384.29x = 92,668,687.81
  5. Step 5: Solve for x
    x = 92,668,687.81/12,384.29
  6. Step 6: Final answer
    x = 7,482.76

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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.