Home / 14,178.11-21,266.30-6,278.31

Finding the Fourth Proportional to 14,178.11, 21,266.30 and 6,278.31

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Solution

The fourth proportional to 14,178.11, 21,266.30 and 6,278.31 is: 9,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.11 : 21,266.30 = 6,278.31 : x
  2. Step 2: Convert to fraction form
    14,178.11/21,266.30 = 6,278.31/x
  3. Step 3: Cross multiply
    14,178.11x = 21,266.30 × 6,278.31
  4. Step 4: Simplify right side
    14,178.11x = 133,516,392.56
  5. Step 5: Solve for x
    x = 133,516,392.56/14,178.11
  6. Step 6: Final answer
    x = 9,417.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.