Home / 18,477.61-25,495.32-10,517.74

Finding the Fourth Proportional to 18,477.61, 25,495.32 and 10,517.74

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Solution

The fourth proportional to 18,477.61, 25,495.32 and 10,517.74 is: 14,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.61 : 25,495.32 = 10,517.74 : x
  2. Step 2: Convert to fraction form
    18,477.61/25,495.32 = 10,517.74/x
  3. Step 3: Cross multiply
    18,477.61x = 25,495.32 × 10,517.74
  4. Step 4: Simplify right side
    18,477.61x = 268,153,122.68
  5. Step 5: Solve for x
    x = 268,153,122.68/18,477.61
  6. Step 6: Final answer
    x = 14,512.33

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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.