Home / 14,178.24-21,266.51-6,278.45

Finding the Fourth Proportional to 14,178.24, 21,266.51 and 6,278.45

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Solution

The fourth proportional to 14,178.24, 21,266.51 and 6,278.45 is: 9,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.24 : 21,266.51 = 6,278.45 : x
  2. Step 2: Convert to fraction form
    14,178.24/21,266.51 = 6,278.45/x
  3. Step 3: Cross multiply
    14,178.24x = 21,266.51 × 6,278.45
  4. Step 4: Simplify right side
    14,178.24x = 133,520,581.98
  5. Step 5: Solve for x
    x = 133,520,581.98/14,178.24
  6. Step 6: Final answer
    x = 9,417.29

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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.