Home / 14,253.66-19,675.54-12,758.94

Finding the Fourth Proportional to 14,253.66, 19,675.54 and 12,758.94

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Solution

The fourth proportional to 14,253.66, 19,675.54 and 12,758.94 is: 17,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.66 : 19,675.54 = 12,758.94 : x
  2. Step 2: Convert to fraction form
    14,253.66/19,675.54 = 12,758.94/x
  3. Step 3: Cross multiply
    14,253.66x = 19,675.54 × 12,758.94
  4. Step 4: Simplify right side
    14,253.66x = 251,039,034.33
  5. Step 5: Solve for x
    x = 251,039,034.33/14,253.66
  6. Step 6: Final answer
    x = 17,612.25

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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.