Home / 13,012.56-19,473.48-10,645.20

Finding the Fourth Proportional to 13,012.56, 19,473.48 and 10,645.20

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Solution

The fourth proportional to 13,012.56, 19,473.48 and 10,645.20 is: 15,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.56 : 19,473.48 = 10,645.20 : x
  2. Step 2: Convert to fraction form
    13,012.56/19,473.48 = 10,645.20/x
  3. Step 3: Cross multiply
    13,012.56x = 19,473.48 × 10,645.20
  4. Step 4: Simplify right side
    13,012.56x = 207,299,089.30
  5. Step 5: Solve for x
    x = 207,299,089.30/13,012.56
  6. Step 6: Final answer
    x = 15,930.69

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1.5x scale

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.