Home / 18,477.32-25,495.76-10,519.70

Finding the Fourth Proportional to 18,477.32, 25,495.76 and 10,519.70

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Solution

The fourth proportional to 18,477.32, 25,495.76 and 10,519.70 is: 14,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.32 : 25,495.76 = 10,519.70 : x
  2. Step 2: Convert to fraction form
    18,477.32/25,495.76 = 10,519.70/x
  3. Step 3: Cross multiply
    18,477.32x = 25,495.76 × 10,519.70
  4. Step 4: Simplify right side
    18,477.32x = 268,207,645.29
  5. Step 5: Solve for x
    x = 268,207,645.29/18,477.32
  6. Step 6: Final answer
    x = 14,515.51

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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.