Home / 15,128.36-22,696.86-6,358.76

Finding the Fourth Proportional to 15,128.36, 22,696.86 and 6,358.76

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Solution

The fourth proportional to 15,128.36, 22,696.86 and 6,358.76 is: 9,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.36 : 22,696.86 = 6,358.76 : x
  2. Step 2: Convert to fraction form
    15,128.36/22,696.86 = 6,358.76/x
  3. Step 3: Cross multiply
    15,128.36x = 22,696.86 × 6,358.76
  4. Step 4: Simplify right side
    15,128.36x = 144,323,885.49
  5. Step 5: Solve for x
    x = 144,323,885.49/15,128.36
  6. Step 6: Final answer
    x = 9,539.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.