Home / 19,900.12-27,462.28-10,948.56

Finding the Fourth Proportional to 19,900.12, 27,462.28 and 10,948.56

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Solution

The fourth proportional to 19,900.12, 27,462.28 and 10,948.56 is: 15,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.12 : 27,462.28 = 10,948.56 : x
  2. Step 2: Convert to fraction form
    19,900.12/27,462.28 = 10,948.56/x
  3. Step 3: Cross multiply
    19,900.12x = 27,462.28 × 10,948.56
  4. Step 4: Simplify right side
    19,900.12x = 300,672,420.32
  5. Step 5: Solve for x
    x = 300,672,420.32/19,900.12
  6. Step 6: Final answer
    x = 15,109.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.