Home / 10,283.18-15,424.81-2,491.98

Finding the Fourth Proportional to 10,283.18, 15,424.81 and 2,491.98

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Solution

The fourth proportional to 10,283.18, 15,424.81 and 2,491.98 is: 3,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.18 : 15,424.81 = 2,491.98 : x
  2. Step 2: Convert to fraction form
    10,283.18/15,424.81 = 2,491.98/x
  3. Step 3: Cross multiply
    10,283.18x = 15,424.81 × 2,491.98
  4. Step 4: Simplify right side
    10,283.18x = 38,438,318.02
  5. Step 5: Solve for x
    x = 38,438,318.02/10,283.18
  6. Step 6: Final answer
    x = 3,737.98

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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.