Home / 19,278.20-26,606.94-13,971.08

Finding the Fourth Proportional to 19,278.20, 26,606.94 and 13,971.08

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Solution

The fourth proportional to 19,278.20, 26,606.94 and 13,971.08 is: 19,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.20 : 26,606.94 = 13,971.08 : x
  2. Step 2: Convert to fraction form
    19,278.20/26,606.94 = 13,971.08/x
  3. Step 3: Cross multiply
    19,278.20x = 26,606.94 × 13,971.08
  4. Step 4: Simplify right side
    19,278.20x = 371,727,687.30
  5. Step 5: Solve for x
    x = 371,727,687.30/19,278.20
  6. Step 6: Final answer
    x = 19,282.28

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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.