Home / 12,518.45-17,257.05-9,529.07

Finding the Fourth Proportional to 12,518.45, 17,257.05 and 9,529.07

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Solution

The fourth proportional to 12,518.45, 17,257.05 and 9,529.07 is: 13,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.45 : 17,257.05 = 9,529.07 : x
  2. Step 2: Convert to fraction form
    12,518.45/17,257.05 = 9,529.07/x
  3. Step 3: Cross multiply
    12,518.45x = 17,257.05 × 9,529.07
  4. Step 4: Simplify right side
    12,518.45x = 164,443,680.59
  5. Step 5: Solve for x
    x = 164,443,680.59/12,518.45
  6. Step 6: Final answer
    x = 13,136.11

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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.