Home / 14,775.78-22,111.64-9,231.74

Finding the Fourth Proportional to 14,775.78, 22,111.64 and 9,231.74

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Solution

The fourth proportional to 14,775.78, 22,111.64 and 9,231.74 is: 13,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.78 : 22,111.64 = 9,231.74 : x
  2. Step 2: Convert to fraction form
    14,775.78/22,111.64 = 9,231.74/x
  3. Step 3: Cross multiply
    14,775.78x = 22,111.64 × 9,231.74
  4. Step 4: Simplify right side
    14,775.78x = 204,128,911.45
  5. Step 5: Solve for x
    x = 204,128,911.45/14,775.78
  6. Step 6: Final answer
    x = 13,815.10

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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.