Home / 13,237.64-18,267.98-7,269.70

Finding the Fourth Proportional to 13,237.64, 18,267.98 and 7,269.70

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Solution

The fourth proportional to 13,237.64, 18,267.98 and 7,269.70 is: 10,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.64 : 18,267.98 = 7,269.70 : x
  2. Step 2: Convert to fraction form
    13,237.64/18,267.98 = 7,269.70/x
  3. Step 3: Cross multiply
    13,237.64x = 18,267.98 × 7,269.70
  4. Step 4: Simplify right side
    13,237.64x = 132,802,734.21
  5. Step 5: Solve for x
    x = 132,802,734.21/13,237.64
  6. Step 6: Final answer
    x = 10,032.21

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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.