Home / 13,528.62-18,669.86-7,560.94

Finding the Fourth Proportional to 13,528.62, 18,669.86 and 7,560.94

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Solution

The fourth proportional to 13,528.62, 18,669.86 and 7,560.94 is: 10,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.62 : 18,669.86 = 7,560.94 : x
  2. Step 2: Convert to fraction form
    13,528.62/18,669.86 = 7,560.94/x
  3. Step 3: Cross multiply
    13,528.62x = 18,669.86 × 7,560.94
  4. Step 4: Simplify right side
    13,528.62x = 141,161,691.27
  5. Step 5: Solve for x
    x = 141,161,691.27/13,528.62
  6. Step 6: Final answer
    x = 10,434.30

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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.