Home / 16,904.40-25,349.28-13,011.54

Finding the Fourth Proportional to 16,904.40, 25,349.28 and 13,011.54

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Solution

The fourth proportional to 16,904.40, 25,349.28 and 13,011.54 is: 19,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.40 : 25,349.28 = 13,011.54 : x
  2. Step 2: Convert to fraction form
    16,904.40/25,349.28 = 13,011.54/x
  3. Step 3: Cross multiply
    16,904.40x = 25,349.28 × 13,011.54
  4. Step 4: Simplify right side
    16,904.40x = 329,833,170.69
  5. Step 5: Solve for x
    x = 329,833,170.69/16,904.40
  6. Step 6: Final answer
    x = 19,511.68

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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.