Home / 13,214.60-19,835.72-6,972.92

Finding the Fourth Proportional to 13,214.60, 19,835.72 and 6,972.92

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Solution

The fourth proportional to 13,214.60, 19,835.72 and 6,972.92 is: 10,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.60 : 19,835.72 = 6,972.92 : x
  2. Step 2: Convert to fraction form
    13,214.60/19,835.72 = 6,972.92/x
  3. Step 3: Cross multiply
    13,214.60x = 19,835.72 × 6,972.92
  4. Step 4: Simplify right side
    13,214.60x = 138,312,754.66
  5. Step 5: Solve for x
    x = 138,312,754.66/13,214.60
  6. Step 6: Final answer
    x = 10,466.67

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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.