Home / 13,542.26-18,688.27-7,573.91

Finding the Fourth Proportional to 13,542.26, 18,688.27 and 7,573.91

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Solution

The fourth proportional to 13,542.26, 18,688.27 and 7,573.91 is: 10,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.26 : 18,688.27 = 7,573.91 : x
  2. Step 2: Convert to fraction form
    13,542.26/18,688.27 = 7,573.91/x
  3. Step 3: Cross multiply
    13,542.26x = 18,688.27 × 7,573.91
  4. Step 4: Simplify right side
    13,542.26x = 141,543,275.04
  5. Step 5: Solve for x
    x = 141,543,275.04/13,542.26
  6. Step 6: Final answer
    x = 10,451.97

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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.