Home / 15,208.16-20,834.82-14,639.59

Finding the Fourth Proportional to 15,208.16, 20,834.82 and 14,639.59

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Solution

The fourth proportional to 15,208.16, 20,834.82 and 14,639.59 is: 20,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.16 : 20,834.82 = 14,639.59 : x
  2. Step 2: Convert to fraction form
    15,208.16/20,834.82 = 14,639.59/x
  3. Step 3: Cross multiply
    15,208.16x = 20,834.82 × 14,639.59
  4. Step 4: Simplify right side
    15,208.16x = 305,013,311.21
  5. Step 5: Solve for x
    x = 305,013,311.21/15,208.16
  6. Step 6: Final answer
    x = 20,055.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.