Home / 13,528.97-20,289.68-5,732.45

Finding the Fourth Proportional to 13,528.97, 20,289.68 and 5,732.45

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Solution

The fourth proportional to 13,528.97, 20,289.68 and 5,732.45 is: 8,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.97 : 20,289.68 = 5,732.45 : x
  2. Step 2: Convert to fraction form
    13,528.97/20,289.68 = 5,732.45/x
  3. Step 3: Cross multiply
    13,528.97x = 20,289.68 × 5,732.45
  4. Step 4: Simplify right side
    13,528.97x = 116,309,547.45
  5. Step 5: Solve for x
    x = 116,309,547.45/13,528.97
  6. Step 6: Final answer
    x = 8,597.07

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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.