Home / 14,089.15-19,442.59-9,381.97

Finding the Fourth Proportional to 14,089.15, 19,442.59 and 9,381.97

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Solution

The fourth proportional to 14,089.15, 19,442.59 and 9,381.97 is: 12,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.15 : 19,442.59 = 9,381.97 : x
  2. Step 2: Convert to fraction form
    14,089.15/19,442.59 = 9,381.97/x
  3. Step 3: Cross multiply
    14,089.15x = 19,442.59 × 9,381.97
  4. Step 4: Simplify right side
    14,089.15x = 182,409,796.10
  5. Step 5: Solve for x
    x = 182,409,796.10/14,089.15
  6. Step 6: Final answer
    x = 12,946.83

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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.