Home / 14,260.43-19,678.59-7,886.66

Finding the Fourth Proportional to 14,260.43, 19,678.59 and 7,886.66

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Solution

The fourth proportional to 14,260.43, 19,678.59 and 7,886.66 is: 10,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.43 : 19,678.59 = 7,886.66 : x
  2. Step 2: Convert to fraction form
    14,260.43/19,678.59 = 7,886.66/x
  3. Step 3: Cross multiply
    14,260.43x = 19,678.59 × 7,886.66
  4. Step 4: Simplify right side
    14,260.43x = 155,198,250.22
  5. Step 5: Solve for x
    x = 155,198,250.22/14,260.43
  6. Step 6: Final answer
    x = 10,883.14

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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.