Home / 19,932.56-27,506.80-10,979.86

Finding the Fourth Proportional to 19,932.56, 27,506.80 and 10,979.86

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Solution

The fourth proportional to 19,932.56, 27,506.80 and 10,979.86 is: 15,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.56 : 27,506.80 = 10,979.86 : x
  2. Step 2: Convert to fraction form
    19,932.56/27,506.80 = 10,979.86/x
  3. Step 3: Cross multiply
    19,932.56x = 27,506.80 × 10,979.86
  4. Step 4: Simplify right side
    19,932.56x = 302,020,813.05
  5. Step 5: Solve for x
    x = 302,020,813.05/19,932.56
  6. Step 6: Final answer
    x = 15,152.13

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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.