Home / 10,427.02-15,642.99-3,031.66

Finding the Fourth Proportional to 10,427.02, 15,642.99 and 3,031.66

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Solution

The fourth proportional to 10,427.02, 15,642.99 and 3,031.66 is: 4,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.02 : 15,642.99 = 3,031.66 : x
  2. Step 2: Convert to fraction form
    10,427.02/15,642.99 = 3,031.66/x
  3. Step 3: Cross multiply
    10,427.02x = 15,642.99 × 3,031.66
  4. Step 4: Simplify right side
    10,427.02x = 47,424,227.06
  5. Step 5: Solve for x
    x = 47,424,227.06/10,427.02
  6. Step 6: Final answer
    x = 4,548.21

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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.