Home / 19,723.04-27,216.72-10,770.40

Finding the Fourth Proportional to 19,723.04, 27,216.72 and 10,770.40

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Solution

The fourth proportional to 19,723.04, 27,216.72 and 10,770.40 is: 14,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.04 : 27,216.72 = 10,770.40 : x
  2. Step 2: Convert to fraction form
    19,723.04/27,216.72 = 10,770.40/x
  3. Step 3: Cross multiply
    19,723.04x = 27,216.72 × 10,770.40
  4. Step 4: Simplify right side
    19,723.04x = 293,134,961.09
  5. Step 5: Solve for x
    x = 293,134,961.09/19,723.04
  6. Step 6: Final answer
    x = 14,862.56

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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.