Home / 15,204.36-22,706.72-12,959.28

Finding the Fourth Proportional to 15,204.36, 22,706.72 and 12,959.28

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Solution

The fourth proportional to 15,204.36, 22,706.72 and 12,959.28 is: 19,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.36 : 22,706.72 = 12,959.28 : x
  2. Step 2: Convert to fraction form
    15,204.36/22,706.72 = 12,959.28/x
  3. Step 3: Cross multiply
    15,204.36x = 22,706.72 × 12,959.28
  4. Step 4: Simplify right side
    15,204.36x = 294,262,742.36
  5. Step 5: Solve for x
    x = 294,262,742.36/15,204.36
  6. Step 6: Final answer
    x = 19,353.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.