Home / 21,376.23-32,073.57-11,513.54

Finding the Fourth Proportional to 21,376.23, 32,073.57 and 11,513.54

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Solution

The fourth proportional to 21,376.23, 32,073.57 and 11,513.54 is: 17,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.23 : 32,073.57 = 11,513.54 : x
  2. Step 2: Convert to fraction form
    21,376.23/32,073.57 = 11,513.54/x
  3. Step 3: Cross multiply
    21,376.23x = 32,073.57 × 11,513.54
  4. Step 4: Simplify right side
    21,376.23x = 369,280,170.77
  5. Step 5: Solve for x
    x = 369,280,170.77/21,376.23
  6. Step 6: Final answer
    x = 17,275.27

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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.