Home / 15,721.10-23,560.81-11,541.56

Finding the Fourth Proportional to 15,721.10, 23,560.81 and 11,541.56

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Solution

The fourth proportional to 15,721.10, 23,560.81 and 11,541.56 is: 17,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.10 : 23,560.81 = 11,541.56 : x
  2. Step 2: Convert to fraction form
    15,721.10/23,560.81 = 11,541.56/x
  3. Step 3: Cross multiply
    15,721.10x = 23,560.81 × 11,541.56
  4. Step 4: Simplify right side
    15,721.10x = 271,928,532.31
  5. Step 5: Solve for x
    x = 271,928,532.31/15,721.10
  6. Step 6: Final answer
    x = 17,297.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.