Home / 14,538.24-20,071.04-9,578.88

Finding the Fourth Proportional to 14,538.24, 20,071.04 and 9,578.88

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Solution

The fourth proportional to 14,538.24, 20,071.04 and 9,578.88 is: 13,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.24 : 20,071.04 = 9,578.88 : x
  2. Step 2: Convert to fraction form
    14,538.24/20,071.04 = 9,578.88/x
  3. Step 3: Cross multiply
    14,538.24x = 20,071.04 × 9,578.88
  4. Step 4: Simplify right side
    14,538.24x = 192,258,083.64
  5. Step 5: Solve for x
    x = 192,258,083.64/14,538.24
  6. Step 6: Final answer
    x = 13,224.30

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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.