Home / 12,716.93-19,071.49-8,793.40

Finding the Fourth Proportional to 12,716.93, 19,071.49 and 8,793.40

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Solution

The fourth proportional to 12,716.93, 19,071.49 and 8,793.40 is: 13,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.93 : 19,071.49 = 8,793.40 : x
  2. Step 2: Convert to fraction form
    12,716.93/19,071.49 = 8,793.40/x
  3. Step 3: Cross multiply
    12,716.93x = 19,071.49 × 8,793.40
  4. Step 4: Simplify right side
    12,716.93x = 167,703,240.17
  5. Step 5: Solve for x
    x = 167,703,240.17/12,716.93
  6. Step 6: Final answer
    x = 13,187.40

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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.