Home / 15,669.24-21,620.46-9,294.63

Finding the Fourth Proportional to 15,669.24, 21,620.46 and 9,294.63

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Solution

The fourth proportional to 15,669.24, 21,620.46 and 9,294.63 is: 12,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.24 : 21,620.46 = 9,294.63 : x
  2. Step 2: Convert to fraction form
    15,669.24/21,620.46 = 9,294.63/x
  3. Step 3: Cross multiply
    15,669.24x = 21,620.46 × 9,294.63
  4. Step 4: Simplify right side
    15,669.24x = 200,954,068.03
  5. Step 5: Solve for x
    x = 200,954,068.03/15,669.24
  6. Step 6: Final answer
    x = 12,824.75

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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.