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Finding the Fourth Proportional to 14,908.88, 22,334.16 and 12,280.16

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Solution

The fourth proportional to 14,908.88, 22,334.16 and 12,280.16 is: 18,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.88 : 22,334.16 = 12,280.16 : x
  2. Step 2: Convert to fraction form
    14,908.88/22,334.16 = 12,280.16/x
  3. Step 3: Cross multiply
    14,908.88x = 22,334.16 × 12,280.16
  4. Step 4: Simplify right side
    14,908.88x = 274,267,058.27
  5. Step 5: Solve for x
    x = 274,267,058.27/14,908.88
  6. Step 6: Final answer
    x = 18,396.22

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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.