Home / 13,132.53-18,113.90-7,823.25

Finding the Fourth Proportional to 13,132.53, 18,113.90 and 7,823.25

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Solution

The fourth proportional to 13,132.53, 18,113.90 and 7,823.25 is: 10,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.53 : 18,113.90 = 7,823.25 : x
  2. Step 2: Convert to fraction form
    13,132.53/18,113.90 = 7,823.25/x
  3. Step 3: Cross multiply
    13,132.53x = 18,113.90 × 7,823.25
  4. Step 4: Simplify right side
    13,132.53x = 141,709,529.06
  5. Step 5: Solve for x
    x = 141,709,529.06/13,132.53
  6. Step 6: Final answer
    x = 10,790.73

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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.