Home / 13,528.61-20,287.75-6,504.19

Finding the Fourth Proportional to 13,528.61, 20,287.75 and 6,504.19

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Solution

The fourth proportional to 13,528.61, 20,287.75 and 6,504.19 is: 9,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.61 : 20,287.75 = 6,504.19 : x
  2. Step 2: Convert to fraction form
    13,528.61/20,287.75 = 6,504.19/x
  3. Step 3: Cross multiply
    13,528.61x = 20,287.75 × 6,504.19
  4. Step 4: Simplify right side
    13,528.61x = 131,955,246.71
  5. Step 5: Solve for x
    x = 131,955,246.71/13,528.61
  6. Step 6: Final answer
    x = 9,753.79

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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.