Home / 18,955.62-26,168.67-13,307.49

Finding the Fourth Proportional to 18,955.62, 26,168.67 and 13,307.49

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Solution

The fourth proportional to 18,955.62, 26,168.67 and 13,307.49 is: 18,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.62 : 26,168.67 = 13,307.49 : x
  2. Step 2: Convert to fraction form
    18,955.62/26,168.67 = 13,307.49/x
  3. Step 3: Cross multiply
    18,955.62x = 26,168.67 × 13,307.49
  4. Step 4: Simplify right side
    18,955.62x = 348,239,314.34
  5. Step 5: Solve for x
    x = 348,239,314.34/18,955.62
  6. Step 6: Final answer
    x = 18,371.30

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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.