Home / 10,455.14-15,698.29-4,227.32

Finding the Fourth Proportional to 10,455.14, 15,698.29 and 4,227.32

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Solution

The fourth proportional to 10,455.14, 15,698.29 and 4,227.32 is: 6,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.14 : 15,698.29 = 4,227.32 : x
  2. Step 2: Convert to fraction form
    10,455.14/15,698.29 = 4,227.32/x
  3. Step 3: Cross multiply
    10,455.14x = 15,698.29 × 4,227.32
  4. Step 4: Simplify right side
    10,455.14x = 66,361,695.28
  5. Step 5: Solve for x
    x = 66,361,695.28/10,455.14
  6. Step 6: Final answer
    x = 6,347.28

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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.