Home / 15,419.45-23,136.22-8,388.93

Finding the Fourth Proportional to 15,419.45, 23,136.22 and 8,388.93

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Solution

The fourth proportional to 15,419.45, 23,136.22 and 8,388.93 is: 12,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.45 : 23,136.22 = 8,388.93 : x
  2. Step 2: Convert to fraction form
    15,419.45/23,136.22 = 8,388.93/x
  3. Step 3: Cross multiply
    15,419.45x = 23,136.22 × 8,388.93
  4. Step 4: Simplify right side
    15,419.45x = 194,088,130.04
  5. Step 5: Solve for x
    x = 194,088,130.04/15,419.45
  6. Step 6: Final answer
    x = 12,587.23

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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.