Home / 13,235.40-19,853.10-3,875.04

Finding the Fourth Proportional to 13,235.40, 19,853.10 and 3,875.04

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Solution

The fourth proportional to 13,235.40, 19,853.10 and 3,875.04 is: 5,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.40 : 19,853.10 = 3,875.04 : x
  2. Step 2: Convert to fraction form
    13,235.40/19,853.10 = 3,875.04/x
  3. Step 3: Cross multiply
    13,235.40x = 19,853.10 × 3,875.04
  4. Step 4: Simplify right side
    13,235.40x = 76,931,556.62
  5. Step 5: Solve for x
    x = 76,931,556.62/13,235.40
  6. Step 6: Final answer
    x = 5,812.56

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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.