Home / 18,283.32-25,237.98-11,219.31

Finding the Fourth Proportional to 18,283.32, 25,237.98 and 11,219.31

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Solution

The fourth proportional to 18,283.32, 25,237.98 and 11,219.31 is: 15,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.32 : 25,237.98 = 11,219.31 : x
  2. Step 2: Convert to fraction form
    18,283.32/25,237.98 = 11,219.31/x
  3. Step 3: Cross multiply
    18,283.32x = 25,237.98 × 11,219.31
  4. Step 4: Simplify right side
    18,283.32x = 283,152,721.39
  5. Step 5: Solve for x
    x = 283,152,721.39/18,283.32
  6. Step 6: Final answer
    x = 15,486.94

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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.