Home / 13,237.58-18,267.91-7,572.39

Finding the Fourth Proportional to 13,237.58, 18,267.91 and 7,572.39

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Solution

The fourth proportional to 13,237.58, 18,267.91 and 7,572.39 is: 10,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.58 : 18,267.91 = 7,572.39 : x
  2. Step 2: Convert to fraction form
    13,237.58/18,267.91 = 7,572.39/x
  3. Step 3: Cross multiply
    13,237.58x = 18,267.91 × 7,572.39
  4. Step 4: Simplify right side
    13,237.58x = 138,331,694.16
  5. Step 5: Solve for x
    x = 138,331,694.16/13,237.58
  6. Step 6: Final answer
    x = 10,449.93

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Half scale
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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.