Home / 15,625.92-21,563.73-9,338.34

Finding the Fourth Proportional to 15,625.92, 21,563.73 and 9,338.34

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Solution

The fourth proportional to 15,625.92, 21,563.73 and 9,338.34 is: 12,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.92 : 21,563.73 = 9,338.34 : x
  2. Step 2: Convert to fraction form
    15,625.92/21,563.73 = 9,338.34/x
  3. Step 3: Cross multiply
    15,625.92x = 21,563.73 × 9,338.34
  4. Step 4: Simplify right side
    15,625.92x = 201,369,442.41
  5. Step 5: Solve for x
    x = 201,369,442.41/15,625.92
  6. Step 6: Final answer
    x = 12,886.89

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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.