Home / 13,299.58-18,354.36-7,635.25

Finding the Fourth Proportional to 13,299.58, 18,354.36 and 7,635.25

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Solution

The fourth proportional to 13,299.58, 18,354.36 and 7,635.25 is: 10,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.58 : 18,354.36 = 7,635.25 : x
  2. Step 2: Convert to fraction form
    13,299.58/18,354.36 = 7,635.25/x
  3. Step 3: Cross multiply
    13,299.58x = 18,354.36 × 7,635.25
  4. Step 4: Simplify right side
    13,299.58x = 140,140,127.19
  5. Step 5: Solve for x
    x = 140,140,127.19/13,299.58
  6. Step 6: Final answer
    x = 10,537.18

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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.