Home / 19,474.83-26,867.88-11,915.10

Finding the Fourth Proportional to 19,474.83, 26,867.88 and 11,915.10

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Solution

The fourth proportional to 19,474.83, 26,867.88 and 11,915.10 is: 16,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.83 : 26,867.88 = 11,915.10 : x
  2. Step 2: Convert to fraction form
    19,474.83/26,867.88 = 11,915.10/x
  3. Step 3: Cross multiply
    19,474.83x = 26,867.88 × 11,915.10
  4. Step 4: Simplify right side
    19,474.83x = 320,133,476.99
  5. Step 5: Solve for x
    x = 320,133,476.99/19,474.83
  6. Step 6: Final answer
    x = 16,438.32

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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.