Home / 13,527.04-20,287.81-11,329.10

Finding the Fourth Proportional to 13,527.04, 20,287.81 and 11,329.10

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Solution

The fourth proportional to 13,527.04, 20,287.81 and 11,329.10 is: 16,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.04 : 20,287.81 = 11,329.10 : x
  2. Step 2: Convert to fraction form
    13,527.04/20,287.81 = 11,329.10/x
  3. Step 3: Cross multiply
    13,527.04x = 20,287.81 × 11,329.10
  4. Step 4: Simplify right side
    13,527.04x = 229,842,628.27
  5. Step 5: Solve for x
    x = 229,842,628.27/13,527.04
  6. Step 6: Final answer
    x = 16,991.35

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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.