Home / 14,425.18-21,603.20-9,141.82

Finding the Fourth Proportional to 14,425.18, 21,603.20 and 9,141.82

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Solution

The fourth proportional to 14,425.18, 21,603.20 and 9,141.82 is: 13,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.18 : 21,603.20 = 9,141.82 : x
  2. Step 2: Convert to fraction form
    14,425.18/21,603.20 = 9,141.82/x
  3. Step 3: Cross multiply
    14,425.18x = 21,603.20 × 9,141.82
  4. Step 4: Simplify right side
    14,425.18x = 197,492,565.82
  5. Step 5: Solve for x
    x = 197,492,565.82/14,425.18
  6. Step 6: Final answer
    x = 13,690.82

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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.