Home / 14,581.51-20,117.22-9,548.60

Finding the Fourth Proportional to 14,581.51, 20,117.22 and 9,548.60

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Solution

The fourth proportional to 14,581.51, 20,117.22 and 9,548.60 is: 13,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.51 : 20,117.22 = 9,548.60 : x
  2. Step 2: Convert to fraction form
    14,581.51/20,117.22 = 9,548.60/x
  3. Step 3: Cross multiply
    14,581.51x = 20,117.22 × 9,548.60
  4. Step 4: Simplify right side
    14,581.51x = 192,091,286.89
  5. Step 5: Solve for x
    x = 192,091,286.89/14,581.51
  6. Step 6: Final answer
    x = 13,173.62

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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.