Home / 19,377.64-26,734.27-12,667.14

Finding the Fourth Proportional to 19,377.64, 26,734.27 and 12,667.14

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Solution

The fourth proportional to 19,377.64, 26,734.27 and 12,667.14 is: 17,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.64 : 26,734.27 = 12,667.14 : x
  2. Step 2: Convert to fraction form
    19,377.64/26,734.27 = 12,667.14/x
  3. Step 3: Cross multiply
    19,377.64x = 26,734.27 × 12,667.14
  4. Step 4: Simplify right side
    19,377.64x = 338,646,740.89
  5. Step 5: Solve for x
    x = 338,646,740.89/19,377.64
  6. Step 6: Final answer
    x = 17,476.16

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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.