Home / 13,246.80-19,851.52-10,461.20

Finding the Fourth Proportional to 13,246.80, 19,851.52 and 10,461.20

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Solution

The fourth proportional to 13,246.80, 19,851.52 and 10,461.20 is: 15,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.80 : 19,851.52 = 10,461.20 : x
  2. Step 2: Convert to fraction form
    13,246.80/19,851.52 = 10,461.20/x
  3. Step 3: Cross multiply
    13,246.80x = 19,851.52 × 10,461.20
  4. Step 4: Simplify right side
    13,246.80x = 207,670,721.02
  5. Step 5: Solve for x
    x = 207,670,721.02/13,246.80
  6. Step 6: Final answer
    x = 15,677.05

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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.