Home / 13,352.83-18,427.19-7,384.91

Finding the Fourth Proportional to 13,352.83, 18,427.19 and 7,384.91

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Solution

The fourth proportional to 13,352.83, 18,427.19 and 7,384.91 is: 10,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.83 : 18,427.19 = 7,384.91 : x
  2. Step 2: Convert to fraction form
    13,352.83/18,427.19 = 7,384.91/x
  3. Step 3: Cross multiply
    13,352.83x = 18,427.19 × 7,384.91
  4. Step 4: Simplify right side
    13,352.83x = 136,083,139.70
  5. Step 5: Solve for x
    x = 136,083,139.70/13,352.83
  6. Step 6: Final answer
    x = 10,191.33

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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.