Home / 14,261.40-19,679.22-8,292.78

Finding the Fourth Proportional to 14,261.40, 19,679.22 and 8,292.78

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Solution

The fourth proportional to 14,261.40, 19,679.22 and 8,292.78 is: 11,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.40 : 19,679.22 = 8,292.78 : x
  2. Step 2: Convert to fraction form
    14,261.40/19,679.22 = 8,292.78/x
  3. Step 3: Cross multiply
    14,261.40x = 19,679.22 × 8,292.78
  4. Step 4: Simplify right side
    14,261.40x = 163,195,442.03
  5. Step 5: Solve for x
    x = 163,195,442.03/14,261.40
  6. Step 6: Final answer
    x = 11,443.16

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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.