Home / 12,637.17-17,438.09-7,048.53

Finding the Fourth Proportional to 12,637.17, 17,438.09 and 7,048.53

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Solution

The fourth proportional to 12,637.17, 17,438.09 and 7,048.53 is: 9,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.17 : 17,438.09 = 7,048.53 : x
  2. Step 2: Convert to fraction form
    12,637.17/17,438.09 = 7,048.53/x
  3. Step 3: Cross multiply
    12,637.17x = 17,438.09 × 7,048.53
  4. Step 4: Simplify right side
    12,637.17x = 122,912,865.27
  5. Step 5: Solve for x
    x = 122,912,865.27/12,637.17
  6. Step 6: Final answer
    x = 9,726.30

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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.