Home / 16,130.26-22,261.11-9,416.32

Finding the Fourth Proportional to 16,130.26, 22,261.11 and 9,416.32

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Solution

The fourth proportional to 16,130.26, 22,261.11 and 9,416.32 is: 12,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.26 : 22,261.11 = 9,416.32 : x
  2. Step 2: Convert to fraction form
    16,130.26/22,261.11 = 9,416.32/x
  3. Step 3: Cross multiply
    16,130.26x = 22,261.11 × 9,416.32
  4. Step 4: Simplify right side
    16,130.26x = 209,617,735.32
  5. Step 5: Solve for x
    x = 209,617,735.32/16,130.26
  6. Step 6: Final answer
    x = 12,995.31

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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.