Home / 10,281.30-15,411.15-4,038.90

Finding the Fourth Proportional to 10,281.30, 15,411.15 and 4,038.90

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Solution

The fourth proportional to 10,281.30, 15,411.15 and 4,038.90 is: 6,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.30 : 15,411.15 = 4,038.90 : x
  2. Step 2: Convert to fraction form
    10,281.30/15,411.15 = 4,038.90/x
  3. Step 3: Cross multiply
    10,281.30x = 15,411.15 × 4,038.90
  4. Step 4: Simplify right side
    10,281.30x = 62,244,093.74
  5. Step 5: Solve for x
    x = 62,244,093.74/10,281.30
  6. Step 6: Final answer
    x = 6,054.11

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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.