Home / 16,393.18-22,620.45-9,319.45

Finding the Fourth Proportional to 16,393.18, 22,620.45 and 9,319.45

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Solution

The fourth proportional to 16,393.18, 22,620.45 and 9,319.45 is: 12,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.18 : 22,620.45 = 9,319.45 : x
  2. Step 2: Convert to fraction form
    16,393.18/22,620.45 = 9,319.45/x
  3. Step 3: Cross multiply
    16,393.18x = 22,620.45 × 9,319.45
  4. Step 4: Simplify right side
    16,393.18x = 210,810,152.75
  5. Step 5: Solve for x
    x = 210,810,152.75/16,393.18
  6. Step 6: Final answer
    x = 12,859.63

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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.