Home / 18,304.93-27,457.40-5,155.59

Finding the Fourth Proportional to 18,304.93, 27,457.40 and 5,155.59

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Solution

The fourth proportional to 18,304.93, 27,457.40 and 5,155.59 is: 7,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.93 : 27,457.40 = 5,155.59 : x
  2. Step 2: Convert to fraction form
    18,304.93/27,457.40 = 5,155.59/x
  3. Step 3: Cross multiply
    18,304.93x = 27,457.40 × 5,155.59
  4. Step 4: Simplify right side
    18,304.93x = 141,559,071.09
  5. Step 5: Solve for x
    x = 141,559,071.09/18,304.93
  6. Step 6: Final answer
    x = 7,733.39

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Similar ratio
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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.