Home / 14,418.67-19,898.36-9,111.55

Finding the Fourth Proportional to 14,418.67, 19,898.36 and 9,111.55

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Solution

The fourth proportional to 14,418.67, 19,898.36 and 9,111.55 is: 12,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.67 : 19,898.36 = 9,111.55 : x
  2. Step 2: Convert to fraction form
    14,418.67/19,898.36 = 9,111.55/x
  3. Step 3: Cross multiply
    14,418.67x = 19,898.36 × 9,111.55
  4. Step 4: Simplify right side
    14,418.67x = 181,304,902.06
  5. Step 5: Solve for x
    x = 181,304,902.06/14,418.67
  6. Step 6: Final answer
    x = 12,574.32

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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.