Home / 15,389.54-23,064.25-6,949.76

Finding the Fourth Proportional to 15,389.54, 23,064.25 and 6,949.76

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Solution

The fourth proportional to 15,389.54, 23,064.25 and 6,949.76 is: 10,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.54 : 23,064.25 = 6,949.76 : x
  2. Step 2: Convert to fraction form
    15,389.54/23,064.25 = 6,949.76/x
  3. Step 3: Cross multiply
    15,389.54x = 23,064.25 × 6,949.76
  4. Step 4: Simplify right side
    15,389.54x = 160,291,042.37
  5. Step 5: Solve for x
    x = 160,291,042.37/15,389.54
  6. Step 6: Final answer
    x = 10,415.59

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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.