Home / 22,946.10-34,429.47-12,403.78

Finding the Fourth Proportional to 22,946.10, 34,429.47 and 12,403.78

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Solution

The fourth proportional to 22,946.10, 34,429.47 and 12,403.78 is: 18,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.10 : 34,429.47 = 12,403.78 : x
  2. Step 2: Convert to fraction form
    22,946.10/34,429.47 = 12,403.78/x
  3. Step 3: Cross multiply
    22,946.10x = 34,429.47 × 12,403.78
  4. Step 4: Simplify right side
    22,946.10x = 427,055,571.40
  5. Step 5: Solve for x
    x = 427,055,571.40/22,946.10
  6. Step 6: Final answer
    x = 18,611.25

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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.