Home / 14,178.72-19,446.36-13,827.36

Finding the Fourth Proportional to 14,178.72, 19,446.36 and 13,827.36

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Solution

The fourth proportional to 14,178.72, 19,446.36 and 13,827.36 is: 18,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.72 : 19,446.36 = 13,827.36 : x
  2. Step 2: Convert to fraction form
    14,178.72/19,446.36 = 13,827.36/x
  3. Step 3: Cross multiply
    14,178.72x = 19,446.36 × 13,827.36
  4. Step 4: Simplify right side
    14,178.72x = 268,891,820.41
  5. Step 5: Solve for x
    x = 268,891,820.41/14,178.72
  6. Step 6: Final answer
    x = 18,964.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.