Home / 16,890.26-25,320.20-10,302.39

Finding the Fourth Proportional to 16,890.26, 25,320.20 and 10,302.39

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Solution

The fourth proportional to 16,890.26, 25,320.20 and 10,302.39 is: 15,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.26 : 25,320.20 = 10,302.39 : x
  2. Step 2: Convert to fraction form
    16,890.26/25,320.20 = 10,302.39/x
  3. Step 3: Cross multiply
    16,890.26x = 25,320.20 × 10,302.39
  4. Step 4: Simplify right side
    16,890.26x = 260,858,523.77
  5. Step 5: Solve for x
    x = 260,858,523.77/16,890.26
  6. Step 6: Final answer
    x = 15,444.32

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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.