Home / 14,260.59-19,679.05-7,886.77

Finding the Fourth Proportional to 14,260.59, 19,679.05 and 7,886.77

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Solution

The fourth proportional to 14,260.59, 19,679.05 and 7,886.77 is: 10,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.59 : 19,679.05 = 7,886.77 : x
  2. Step 2: Convert to fraction form
    14,260.59/19,679.05 = 7,886.77/x
  3. Step 3: Cross multiply
    14,260.59x = 19,679.05 × 7,886.77
  4. Step 4: Simplify right side
    14,260.59x = 155,204,141.17
  5. Step 5: Solve for x
    x = 155,204,141.17/14,260.59
  6. Step 6: Final answer
    x = 10,883.43

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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.