Home / 19,348.12-26,711.76-14,863.06

Finding the Fourth Proportional to 19,348.12, 26,711.76 and 14,863.06

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Solution

The fourth proportional to 19,348.12, 26,711.76 and 14,863.06 is: 20,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.12 : 26,711.76 = 14,863.06 : x
  2. Step 2: Convert to fraction form
    19,348.12/26,711.76 = 14,863.06/x
  3. Step 3: Cross multiply
    19,348.12x = 26,711.76 × 14,863.06
  4. Step 4: Simplify right side
    19,348.12x = 397,018,491.59
  5. Step 5: Solve for x
    x = 397,018,491.59/19,348.12
  6. Step 6: Final answer
    x = 20,519.75

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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.