Home / 20,414.17-30,626.93-11,655.23

Finding the Fourth Proportional to 20,414.17, 30,626.93 and 11,655.23

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Solution

The fourth proportional to 20,414.17, 30,626.93 and 11,655.23 is: 17,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.17 : 30,626.93 = 11,655.23 : x
  2. Step 2: Convert to fraction form
    20,414.17/30,626.93 = 11,655.23/x
  3. Step 3: Cross multiply
    20,414.17x = 30,626.93 × 11,655.23
  4. Step 4: Simplify right side
    20,414.17x = 356,963,931.64
  5. Step 5: Solve for x
    x = 356,963,931.64/20,414.17
  6. Step 6: Final answer
    x = 17,486.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.