Home / 15,830.50-21,844.41-8,756.74

Finding the Fourth Proportional to 15,830.50, 21,844.41 and 8,756.74

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Solution

The fourth proportional to 15,830.50, 21,844.41 and 8,756.74 is: 12,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.50 : 21,844.41 = 8,756.74 : x
  2. Step 2: Convert to fraction form
    15,830.50/21,844.41 = 8,756.74/x
  3. Step 3: Cross multiply
    15,830.50x = 21,844.41 × 8,756.74
  4. Step 4: Simplify right side
    15,830.50x = 191,285,818.82
  5. Step 5: Solve for x
    x = 191,285,818.82/15,830.50
  6. Step 6: Final answer
    x = 12,083.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.