Home / 11,456.68-15,764.40-11,114.32

Finding the Fourth Proportional to 11,456.68, 15,764.40 and 11,114.32

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Solution

The fourth proportional to 11,456.68, 15,764.40 and 11,114.32 is: 15,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.68 : 15,764.40 = 11,114.32 : x
  2. Step 2: Convert to fraction form
    11,456.68/15,764.40 = 11,114.32/x
  3. Step 3: Cross multiply
    11,456.68x = 15,764.40 × 11,114.32
  4. Step 4: Simplify right side
    11,456.68x = 175,210,586.21
  5. Step 5: Solve for x
    x = 175,210,586.21/11,456.68
  6. Step 6: Final answer
    x = 15,293.31

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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.