Home / 13,528.68-18,659.70-9,044.52

Finding the Fourth Proportional to 13,528.68, 18,659.70 and 9,044.52

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Solution

The fourth proportional to 13,528.68, 18,659.70 and 9,044.52 is: 12,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.68 : 18,659.70 = 9,044.52 : x
  2. Step 2: Convert to fraction form
    13,528.68/18,659.70 = 9,044.52/x
  3. Step 3: Cross multiply
    13,528.68x = 18,659.70 × 9,044.52
  4. Step 4: Simplify right side
    13,528.68x = 168,768,029.84
  5. Step 5: Solve for x
    x = 168,768,029.84/13,528.68
  6. Step 6: Final answer
    x = 12,474.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.