Home / 15,621.74-23,438.28-6,859.16

Finding the Fourth Proportional to 15,621.74, 23,438.28 and 6,859.16

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Solution

The fourth proportional to 15,621.74, 23,438.28 and 6,859.16 is: 10,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.74 : 23,438.28 = 6,859.16 : x
  2. Step 2: Convert to fraction form
    15,621.74/23,438.28 = 6,859.16/x
  3. Step 3: Cross multiply
    15,621.74x = 23,438.28 × 6,859.16
  4. Step 4: Simplify right side
    15,621.74x = 160,766,912.64
  5. Step 5: Solve for x
    x = 160,766,912.64/15,621.74
  6. Step 6: Final answer
    x = 10,291.23

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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.