Home / 13,238.19-19,852.88-5,338.67

Finding the Fourth Proportional to 13,238.19, 19,852.88 and 5,338.67

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Solution

The fourth proportional to 13,238.19, 19,852.88 and 5,338.67 is: 8,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.19 : 19,852.88 = 5,338.67 : x
  2. Step 2: Convert to fraction form
    13,238.19/19,852.88 = 5,338.67/x
  3. Step 3: Cross multiply
    13,238.19x = 19,852.88 × 5,338.67
  4. Step 4: Simplify right side
    13,238.19x = 105,987,875.61
  5. Step 5: Solve for x
    x = 105,987,875.61/13,238.19
  6. Step 6: Final answer
    x = 8,006.22

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1.5x scale

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.