Home / 15,422.45-23,119.50-5,559.32

Finding the Fourth Proportional to 15,422.45, 23,119.50 and 5,559.32

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Solution

The fourth proportional to 15,422.45, 23,119.50 and 5,559.32 is: 8,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.45 : 23,119.50 = 5,559.32 : x
  2. Step 2: Convert to fraction form
    15,422.45/23,119.50 = 5,559.32/x
  3. Step 3: Cross multiply
    15,422.45x = 23,119.50 × 5,559.32
  4. Step 4: Simplify right side
    15,422.45x = 128,528,698.74
  5. Step 5: Solve for x
    x = 128,528,698.74/15,422.45
  6. Step 6: Final answer
    x = 8,333.87

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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.