Home / 15,626.08-21,564.24-11,157.42

Finding the Fourth Proportional to 15,626.08, 21,564.24 and 11,157.42

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Solution

The fourth proportional to 15,626.08, 21,564.24 and 11,157.42 is: 15,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.08 : 21,564.24 = 11,157.42 : x
  2. Step 2: Convert to fraction form
    15,626.08/21,564.24 = 11,157.42/x
  3. Step 3: Cross multiply
    15,626.08x = 21,564.24 × 11,157.42
  4. Step 4: Simplify right side
    15,626.08x = 240,601,282.66
  5. Step 5: Solve for x
    x = 240,601,282.66/15,626.08
  6. Step 6: Final answer
    x = 15,397.42

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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.