Home / 14,286.93-19,717.16-8,319.00

Finding the Fourth Proportional to 14,286.93, 19,717.16 and 8,319.00

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Solution

The fourth proportional to 14,286.93, 19,717.16 and 8,319.00 is: 11,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.93 : 19,717.16 = 8,319.00 : x
  2. Step 2: Convert to fraction form
    14,286.93/19,717.16 = 8,319.00/x
  3. Step 3: Cross multiply
    14,286.93x = 19,717.16 × 8,319.00
  4. Step 4: Simplify right side
    14,286.93x = 164,027,086.38
  5. Step 5: Solve for x
    x = 164,027,086.38/14,286.93
  6. Step 6: Final answer
    x = 11,480.92

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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.