Home / 19,264.13-28,915.83-10,379.08

Finding the Fourth Proportional to 19,264.13, 28,915.83 and 10,379.08

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Solution

The fourth proportional to 19,264.13, 28,915.83 and 10,379.08 is: 15,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.13 : 28,915.83 = 10,379.08 : x
  2. Step 2: Convert to fraction form
    19,264.13/28,915.83 = 10,379.08/x
  3. Step 3: Cross multiply
    19,264.13x = 28,915.83 × 10,379.08
  4. Step 4: Simplify right side
    19,264.13x = 300,119,748.98
  5. Step 5: Solve for x
    x = 300,119,748.98/19,264.13
  6. Step 6: Final answer
    x = 15,579.20

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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.