Home / 9,438.21-14,159.03-3,888.47

Finding the Fourth Proportional to 9,438.21, 14,159.03 and 3,888.47

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Solution

The fourth proportional to 9,438.21, 14,159.03 and 3,888.47 is: 5,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.21 : 14,159.03 = 3,888.47 : x
  2. Step 2: Convert to fraction form
    9,438.21/14,159.03 = 3,888.47/x
  3. Step 3: Cross multiply
    9,438.21x = 14,159.03 × 3,888.47
  4. Step 4: Simplify right side
    9,438.21x = 55,056,990.28
  5. Step 5: Solve for x
    x = 55,056,990.28/9,438.21
  6. Step 6: Final answer
    x = 5,833.41

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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.