Home / 15,207.91-20,834.48-14,639.34

Finding the Fourth Proportional to 15,207.91, 20,834.48 and 14,639.34

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Solution

The fourth proportional to 15,207.91, 20,834.48 and 14,639.34 is: 20,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.91 : 20,834.48 = 14,639.34 : x
  2. Step 2: Convert to fraction form
    15,207.91/20,834.48 = 14,639.34/x
  3. Step 3: Cross multiply
    15,207.91x = 20,834.48 × 14,639.34
  4. Step 4: Simplify right side
    15,207.91x = 305,003,088.53
  5. Step 5: Solve for x
    x = 305,003,088.53/15,207.91
  6. Step 6: Final answer
    x = 20,055.56

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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.