Home / 18,764.10-25,894.32-10,807.80

Finding the Fourth Proportional to 18,764.10, 25,894.32 and 10,807.80

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Solution

The fourth proportional to 18,764.10, 25,894.32 and 10,807.80 is: 14,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.10 : 25,894.32 = 10,807.80 : x
  2. Step 2: Convert to fraction form
    18,764.10/25,894.32 = 10,807.80/x
  3. Step 3: Cross multiply
    18,764.10x = 25,894.32 × 10,807.80
  4. Step 4: Simplify right side
    18,764.10x = 279,860,631.70
  5. Step 5: Solve for x
    x = 279,860,631.70/18,764.10
  6. Step 6: Final answer
    x = 14,914.68

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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.