Home / 10,281.23-15,421.89-3,702.71

Finding the Fourth Proportional to 10,281.23, 15,421.89 and 3,702.71

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Solution

The fourth proportional to 10,281.23, 15,421.89 and 3,702.71 is: 5,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.23 : 15,421.89 = 3,702.71 : x
  2. Step 2: Convert to fraction form
    10,281.23/15,421.89 = 3,702.71/x
  3. Step 3: Cross multiply
    10,281.23x = 15,421.89 × 3,702.71
  4. Step 4: Simplify right side
    10,281.23x = 57,102,838.76
  5. Step 5: Solve for x
    x = 57,102,838.76/10,281.23
  6. Step 6: Final answer
    x = 5,554.09

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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.