Home / 14,645.28-20,210.04-8,357.34

Finding the Fourth Proportional to 14,645.28, 20,210.04 and 8,357.34

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Solution

The fourth proportional to 14,645.28, 20,210.04 and 8,357.34 is: 11,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.28 : 20,210.04 = 8,357.34 : x
  2. Step 2: Convert to fraction form
    14,645.28/20,210.04 = 8,357.34/x
  3. Step 3: Cross multiply
    14,645.28x = 20,210.04 × 8,357.34
  4. Step 4: Simplify right side
    14,645.28x = 168,902,175.69
  5. Step 5: Solve for x
    x = 168,902,175.69/14,645.28
  6. Step 6: Final answer
    x = 11,532.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.