Home / 14,430.88-21,630.12-9,442.82

Finding the Fourth Proportional to 14,430.88, 21,630.12 and 9,442.82

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Solution

The fourth proportional to 14,430.88, 21,630.12 and 9,442.82 is: 14,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.88 : 21,630.12 = 9,442.82 : x
  2. Step 2: Convert to fraction form
    14,430.88/21,630.12 = 9,442.82/x
  3. Step 3: Cross multiply
    14,430.88x = 21,630.12 × 9,442.82
  4. Step 4: Simplify right side
    14,430.88x = 204,249,329.74
  5. Step 5: Solve for x
    x = 204,249,329.74/14,430.88
  6. Step 6: Final answer
    x = 14,153.63

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1.5x scale

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.