Home / 16,370.23-22,601.51-12,778.99

Finding the Fourth Proportional to 16,370.23, 22,601.51 and 12,778.99

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Solution

The fourth proportional to 16,370.23, 22,601.51 and 12,778.99 is: 17,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,370.23 : 22,601.51 = 12,778.99 : x
  2. Step 2: Convert to fraction form
    16,370.23/22,601.51 = 12,778.99/x
  3. Step 3: Cross multiply
    16,370.23x = 22,601.51 × 12,778.99
  4. Step 4: Simplify right side
    16,370.23x = 288,824,425.42
  5. Step 5: Solve for x
    x = 288,824,425.42/16,370.23
  6. Step 6: Final answer
    x = 17,643.28

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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.