Home / 14,257.17-19,673.37-8,287.59

Finding the Fourth Proportional to 14,257.17, 19,673.37 and 8,287.59

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Solution

The fourth proportional to 14,257.17, 19,673.37 and 8,287.59 is: 11,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.17 : 19,673.37 = 8,287.59 : x
  2. Step 2: Convert to fraction form
    14,257.17/19,673.37 = 8,287.59/x
  3. Step 3: Cross multiply
    14,257.17x = 19,673.37 × 8,287.59
  4. Step 4: Simplify right side
    14,257.17x = 163,044,824.48
  5. Step 5: Solve for x
    x = 163,044,824.48/14,257.17
  6. Step 6: Final answer
    x = 11,435.99

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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.