Home / 10,291.80-15,427.29-4,056.21

Finding the Fourth Proportional to 10,291.80, 15,427.29 and 4,056.21

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Solution

The fourth proportional to 10,291.80, 15,427.29 and 4,056.21 is: 6,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.80 : 15,427.29 = 4,056.21 : x
  2. Step 2: Convert to fraction form
    10,291.80/15,427.29 = 4,056.21/x
  3. Step 3: Cross multiply
    10,291.80x = 15,427.29 × 4,056.21
  4. Step 4: Simplify right side
    10,291.80x = 62,576,327.97
  5. Step 5: Solve for x
    x = 62,576,327.97/10,291.80
  6. Step 6: Final answer
    x = 6,080.21

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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.