Home / 19,364.20-26,722.11-10,980.70

Finding the Fourth Proportional to 19,364.20, 26,722.11 and 10,980.70

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Solution

The fourth proportional to 19,364.20, 26,722.11 and 10,980.70 is: 15,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.20 : 26,722.11 = 10,980.70 : x
  2. Step 2: Convert to fraction form
    19,364.20/26,722.11 = 10,980.70/x
  3. Step 3: Cross multiply
    19,364.20x = 26,722.11 × 10,980.70
  4. Step 4: Simplify right side
    19,364.20x = 293,427,473.28
  5. Step 5: Solve for x
    x = 293,427,473.28/19,364.20
  6. Step 6: Final answer
    x = 15,153.09

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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.