Home / 13,528.72-20,272.14-9,376.84

Finding the Fourth Proportional to 13,528.72, 20,272.14 and 9,376.84

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Solution

The fourth proportional to 13,528.72, 20,272.14 and 9,376.84 is: 14,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.72 : 20,272.14 = 9,376.84 : x
  2. Step 2: Convert to fraction form
    13,528.72/20,272.14 = 9,376.84/x
  3. Step 3: Cross multiply
    13,528.72x = 20,272.14 × 9,376.84
  4. Step 4: Simplify right side
    13,528.72x = 190,088,613.24
  5. Step 5: Solve for x
    x = 190,088,613.24/13,528.72
  6. Step 6: Final answer
    x = 14,050.75

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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.