Home / 16,156.36-22,290-9,439.60

Finding the Fourth Proportional to 16,156.36, 22,290 and 9,439.60

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Solution

The fourth proportional to 16,156.36, 22,290 and 9,439.60 is: 13,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.36 : 22,290 = 9,439.60 : x
  2. Step 2: Convert to fraction form
    16,156.36/22,290 = 9,439.60/x
  3. Step 3: Cross multiply
    16,156.36x = 22,290 × 9,439.60
  4. Step 4: Simplify right side
    16,156.36x = 210,408,684
  5. Step 5: Solve for x
    x = 210,408,684/16,156.36
  6. Step 6: Final answer
    x = 13,023.27

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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.