Home / 15,478.74-23,219.40-4,950.30

Finding the Fourth Proportional to 15,478.74, 23,219.40 and 4,950.30

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Solution

The fourth proportional to 15,478.74, 23,219.40 and 4,950.30 is: 7,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.74 : 23,219.40 = 4,950.30 : x
  2. Step 2: Convert to fraction form
    15,478.74/23,219.40 = 4,950.30/x
  3. Step 3: Cross multiply
    15,478.74x = 23,219.40 × 4,950.30
  4. Step 4: Simplify right side
    15,478.74x = 114,942,995.82
  5. Step 5: Solve for x
    x = 114,942,995.82/15,478.74
  6. Step 6: Final answer
    x = 7,425.86

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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.