Home / 19,740.88-27,254.28-12,298.96

Finding the Fourth Proportional to 19,740.88, 27,254.28 and 12,298.96

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Solution

The fourth proportional to 19,740.88, 27,254.28 and 12,298.96 is: 16,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.88 : 27,254.28 = 12,298.96 : x
  2. Step 2: Convert to fraction form
    19,740.88/27,254.28 = 12,298.96/x
  3. Step 3: Cross multiply
    19,740.88x = 27,254.28 × 12,298.96
  4. Step 4: Simplify right side
    19,740.88x = 335,199,299.55
  5. Step 5: Solve for x
    x = 335,199,299.55/19,740.88
  6. Step 6: Final answer
    x = 16,979.96

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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.