Home / 10,269.81-15,402.45-2,872.29

Finding the Fourth Proportional to 10,269.81, 15,402.45 and 2,872.29

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Solution

The fourth proportional to 10,269.81, 15,402.45 and 2,872.29 is: 4,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.81 : 15,402.45 = 2,872.29 : x
  2. Step 2: Convert to fraction form
    10,269.81/15,402.45 = 2,872.29/x
  3. Step 3: Cross multiply
    10,269.81x = 15,402.45 × 2,872.29
  4. Step 4: Simplify right side
    10,269.81x = 44,240,303.11
  5. Step 5: Solve for x
    x = 44,240,303.11/10,269.81
  6. Step 6: Final answer
    x = 4,307.80

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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.