Home / 15,794.10-21,795.30-9,505.26

Finding the Fourth Proportional to 15,794.10, 21,795.30 and 9,505.26

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Solution

The fourth proportional to 15,794.10, 21,795.30 and 9,505.26 is: 13,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.10 : 21,795.30 = 9,505.26 : x
  2. Step 2: Convert to fraction form
    15,794.10/21,795.30 = 9,505.26/x
  3. Step 3: Cross multiply
    15,794.10x = 21,795.30 × 9,505.26
  4. Step 4: Simplify right side
    15,794.10x = 207,169,993.28
  5. Step 5: Solve for x
    x = 207,169,993.28/15,794.10
  6. Step 6: Final answer
    x = 13,116.92

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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.