Home / 15,362.36-21,193.21-12,541.39

Finding the Fourth Proportional to 15,362.36, 21,193.21 and 12,541.39

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Solution

The fourth proportional to 15,362.36, 21,193.21 and 12,541.39 is: 17,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.36 : 21,193.21 = 12,541.39 : x
  2. Step 2: Convert to fraction form
    15,362.36/21,193.21 = 12,541.39/x
  3. Step 3: Cross multiply
    15,362.36x = 21,193.21 × 12,541.39
  4. Step 4: Simplify right side
    15,362.36x = 265,792,311.96
  5. Step 5: Solve for x
    x = 265,792,311.96/15,362.36
  6. Step 6: Final answer
    x = 17,301.53

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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.