Home / 15,622.92-21,559.59-9,335.34

Finding the Fourth Proportional to 15,622.92, 21,559.59 and 9,335.34

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Solution

The fourth proportional to 15,622.92, 21,559.59 and 9,335.34 is: 12,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.92 : 21,559.59 = 9,335.34 : x
  2. Step 2: Convert to fraction form
    15,622.92/21,559.59 = 9,335.34/x
  3. Step 3: Cross multiply
    15,622.92x = 21,559.59 × 9,335.34
  4. Step 4: Simplify right side
    15,622.92x = 201,266,102.91
  5. Step 5: Solve for x
    x = 201,266,102.91/15,622.92
  6. Step 6: Final answer
    x = 12,882.75

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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.