Home / 13,013.48-19,512.30-5,106.52

Finding the Fourth Proportional to 13,013.48, 19,512.30 and 5,106.52

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Solution

The fourth proportional to 13,013.48, 19,512.30 and 5,106.52 is: 7,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.48 : 19,512.30 = 5,106.52 : x
  2. Step 2: Convert to fraction form
    13,013.48/19,512.30 = 5,106.52/x
  3. Step 3: Cross multiply
    13,013.48x = 19,512.30 × 5,106.52
  4. Step 4: Simplify right side
    13,013.48x = 99,639,950.20
  5. Step 5: Solve for x
    x = 99,639,950.20/13,013.48
  6. Step 6: Final answer
    x = 7,656.67

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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.