Home / 13,298.11-19,947.09-7,672.14

Finding the Fourth Proportional to 13,298.11, 19,947.09 and 7,672.14

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Solution

The fourth proportional to 13,298.11, 19,947.09 and 7,672.14 is: 11,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.11 : 19,947.09 = 7,672.14 : x
  2. Step 2: Convert to fraction form
    13,298.11/19,947.09 = 7,672.14/x
  3. Step 3: Cross multiply
    13,298.11x = 19,947.09 × 7,672.14
  4. Step 4: Simplify right side
    13,298.11x = 153,036,852.69
  5. Step 5: Solve for x
    x = 153,036,852.69/13,298.11
  6. Step 6: Final answer
    x = 11,508.16

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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.