Home / 13,526.58-20,290-3,665.96

Finding the Fourth Proportional to 13,526.58, 20,290 and 3,665.96

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Solution

The fourth proportional to 13,526.58, 20,290 and 3,665.96 is: 5,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.58 : 20,290 = 3,665.96 : x
  2. Step 2: Convert to fraction form
    13,526.58/20,290 = 3,665.96/x
  3. Step 3: Cross multiply
    13,526.58x = 20,290 × 3,665.96
  4. Step 4: Simplify right side
    13,526.58x = 74,382,328.40
  5. Step 5: Solve for x
    x = 74,382,328.40/13,526.58
  6. Step 6: Final answer
    x = 5,498.98

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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.