Home / 15,593.36-21,519.42-8,880.18

Finding the Fourth Proportional to 15,593.36, 21,519.42 and 8,880.18

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Solution

The fourth proportional to 15,593.36, 21,519.42 and 8,880.18 is: 12,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.36 : 21,519.42 = 8,880.18 : x
  2. Step 2: Convert to fraction form
    15,593.36/21,519.42 = 8,880.18/x
  3. Step 3: Cross multiply
    15,593.36x = 21,519.42 × 8,880.18
  4. Step 4: Simplify right side
    15,593.36x = 191,096,323.10
  5. Step 5: Solve for x
    x = 191,096,323.10/15,593.36
  6. Step 6: Final answer
    x = 12,254.98

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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.