Home / 12,537.74-18,790.21-5,133.76

Finding the Fourth Proportional to 12,537.74, 18,790.21 and 5,133.76

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Solution

The fourth proportional to 12,537.74, 18,790.21 and 5,133.76 is: 7,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.74 : 18,790.21 = 5,133.76 : x
  2. Step 2: Convert to fraction form
    12,537.74/18,790.21 = 5,133.76/x
  3. Step 3: Cross multiply
    12,537.74x = 18,790.21 × 5,133.76
  4. Step 4: Simplify right side
    12,537.74x = 96,464,428.49
  5. Step 5: Solve for x
    x = 96,464,428.49/12,537.74
  6. Step 6: Final answer
    x = 7,693.92

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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.