Home / 19,952.42-27,534.40-10,999.72

Finding the Fourth Proportional to 19,952.42, 27,534.40 and 10,999.72

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Solution

The fourth proportional to 19,952.42, 27,534.40 and 10,999.72 is: 15,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.42 : 27,534.40 = 10,999.72 : x
  2. Step 2: Convert to fraction form
    19,952.42/27,534.40 = 10,999.72/x
  3. Step 3: Cross multiply
    19,952.42x = 27,534.40 × 10,999.72
  4. Step 4: Simplify right side
    19,952.42x = 302,870,690.37
  5. Step 5: Solve for x
    x = 302,870,690.37/19,952.42
  6. Step 6: Final answer
    x = 15,179.65

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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.