Home / 13,528.38-20,287.70-5,204.14

Finding the Fourth Proportional to 13,528.38, 20,287.70 and 5,204.14

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Solution

The fourth proportional to 13,528.38, 20,287.70 and 5,204.14 is: 7,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.38 : 20,287.70 = 5,204.14 : x
  2. Step 2: Convert to fraction form
    13,528.38/20,287.70 = 5,204.14/x
  3. Step 3: Cross multiply
    13,528.38x = 20,287.70 × 5,204.14
  4. Step 4: Simplify right side
    13,528.38x = 105,580,031.08
  5. Step 5: Solve for x
    x = 105,580,031.08/13,528.38
  6. Step 6: Final answer
    x = 7,804.34

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1.5x scale

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.