Home / 12,537.70-18,769.65-9,265.39

Finding the Fourth Proportional to 12,537.70, 18,769.65 and 9,265.39

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Solution

The fourth proportional to 12,537.70, 18,769.65 and 9,265.39 is: 13,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.70 : 18,769.65 = 9,265.39 : x
  2. Step 2: Convert to fraction form
    12,537.70/18,769.65 = 9,265.39/x
  3. Step 3: Cross multiply
    12,537.70x = 18,769.65 × 9,265.39
  4. Step 4: Simplify right side
    12,537.70x = 173,908,127.41
  5. Step 5: Solve for x
    x = 173,908,127.41/12,537.70
  6. Step 6: Final answer
    x = 13,870.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.