Home / 13,207.19-19,823.81-8,977.50

Finding the Fourth Proportional to 13,207.19, 19,823.81 and 8,977.50

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Solution

The fourth proportional to 13,207.19, 19,823.81 and 8,977.50 is: 13,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.19 : 19,823.81 = 8,977.50 : x
  2. Step 2: Convert to fraction form
    13,207.19/19,823.81 = 8,977.50/x
  3. Step 3: Cross multiply
    13,207.19x = 19,823.81 × 8,977.50
  4. Step 4: Simplify right side
    13,207.19x = 177,968,209.39
  5. Step 5: Solve for x
    x = 177,968,209.39/13,207.19
  6. Step 6: Final answer
    x = 13,475.11

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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.