Home / 15,495-23,246.15-5,106.75

Finding the Fourth Proportional to 15,495, 23,246.15 and 5,106.75

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Solution

The fourth proportional to 15,495, 23,246.15 and 5,106.75 is: 7,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495 : 23,246.15 = 5,106.75 : x
  2. Step 2: Convert to fraction form
    15,495/23,246.15 = 5,106.75/x
  3. Step 3: Cross multiply
    15,495x = 23,246.15 × 5,106.75
  4. Step 4: Simplify right side
    15,495x = 118,712,250.98
  5. Step 5: Solve for x
    x = 118,712,250.98/15,495
  6. Step 6: Final answer
    x = 7,661.33

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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.