Home / 16,078.03-22,188.47-9,704.51

Finding the Fourth Proportional to 16,078.03, 22,188.47 and 9,704.51

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Solution

The fourth proportional to 16,078.03, 22,188.47 and 9,704.51 is: 13,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.03 : 22,188.47 = 9,704.51 : x
  2. Step 2: Convert to fraction form
    16,078.03/22,188.47 = 9,704.51/x
  3. Step 3: Cross multiply
    16,078.03x = 22,188.47 × 9,704.51
  4. Step 4: Simplify right side
    16,078.03x = 215,328,152.74
  5. Step 5: Solve for x
    x = 215,328,152.74/16,078.03
  6. Step 6: Final answer
    x = 13,392.70

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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.