Home / 10,403.30-15,597.65-3,828.63

Finding the Fourth Proportional to 10,403.30, 15,597.65 and 3,828.63

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Solution

The fourth proportional to 10,403.30, 15,597.65 and 3,828.63 is: 5,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.30 : 15,597.65 = 3,828.63 : x
  2. Step 2: Convert to fraction form
    10,403.30/15,597.65 = 3,828.63/x
  3. Step 3: Cross multiply
    10,403.30x = 15,597.65 × 3,828.63
  4. Step 4: Simplify right side
    10,403.30x = 59,717,581.80
  5. Step 5: Solve for x
    x = 59,717,581.80/10,403.30
  6. Step 6: Final answer
    x = 5,740.26

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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.