Home / 15,216.52-20,998.14-9,557.08

Finding the Fourth Proportional to 15,216.52, 20,998.14 and 9,557.08

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Solution

The fourth proportional to 15,216.52, 20,998.14 and 9,557.08 is: 13,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.52 : 20,998.14 = 9,557.08 : x
  2. Step 2: Convert to fraction form
    15,216.52/20,998.14 = 9,557.08/x
  3. Step 3: Cross multiply
    15,216.52x = 20,998.14 × 9,557.08
  4. Step 4: Simplify right side
    15,216.52x = 200,680,903.83
  5. Step 5: Solve for x
    x = 200,680,903.83/15,216.52
  6. Step 6: Final answer
    x = 13,188.36

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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.