Home / 13,237.65-18,269.46-7,269.87

Finding the Fourth Proportional to 13,237.65, 18,269.46 and 7,269.87

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Solution

The fourth proportional to 13,237.65, 18,269.46 and 7,269.87 is: 10,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.65 : 18,269.46 = 7,269.87 : x
  2. Step 2: Convert to fraction form
    13,237.65/18,269.46 = 7,269.87/x
  3. Step 3: Cross multiply
    13,237.65x = 18,269.46 × 7,269.87
  4. Step 4: Simplify right side
    13,237.65x = 132,816,599.17
  5. Step 5: Solve for x
    x = 132,816,599.17/13,237.65
  6. Step 6: Final answer
    x = 10,033.25

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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.