Home / 15,353.36-21,182.28-9,063.44

Finding the Fourth Proportional to 15,353.36, 21,182.28 and 9,063.44

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Solution

The fourth proportional to 15,353.36, 21,182.28 and 9,063.44 is: 12,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.36 : 21,182.28 = 9,063.44 : x
  2. Step 2: Convert to fraction form
    15,353.36/21,182.28 = 9,063.44/x
  3. Step 3: Cross multiply
    15,353.36x = 21,182.28 × 9,063.44
  4. Step 4: Simplify right side
    15,353.36x = 191,984,323.84
  5. Step 5: Solve for x
    x = 191,984,323.84/15,353.36
  6. Step 6: Final answer
    x = 12,504.38

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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.