Home / 14,966.78-22,449.78-12,989.25

Finding the Fourth Proportional to 14,966.78, 22,449.78 and 12,989.25

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Solution

The fourth proportional to 14,966.78, 22,449.78 and 12,989.25 is: 19,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.78 : 22,449.78 = 12,989.25 : x
  2. Step 2: Convert to fraction form
    14,966.78/22,449.78 = 12,989.25/x
  3. Step 3: Cross multiply
    14,966.78x = 22,449.78 × 12,989.25
  4. Step 4: Simplify right side
    14,966.78x = 291,605,804.87
  5. Step 5: Solve for x
    x = 291,605,804.87/14,966.78
  6. Step 6: Final answer
    x = 19,483.54

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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.