Home / 18,955.54-26,169.21-13,307.62

Finding the Fourth Proportional to 18,955.54, 26,169.21 and 13,307.62

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Solution

The fourth proportional to 18,955.54, 26,169.21 and 13,307.62 is: 18,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.54 : 26,169.21 = 13,307.62 : x
  2. Step 2: Convert to fraction form
    18,955.54/26,169.21 = 13,307.62/x
  3. Step 3: Cross multiply
    18,955.54x = 26,169.21 × 13,307.62
  4. Step 4: Simplify right side
    18,955.54x = 348,249,902.38
  5. Step 5: Solve for x
    x = 348,249,902.38/18,955.54
  6. Step 6: Final answer
    x = 18,371.93

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Double scale
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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.