Home / 18,491.45-25,518.29-10,107.95

Finding the Fourth Proportional to 18,491.45, 25,518.29 and 10,107.95

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Solution

The fourth proportional to 18,491.45, 25,518.29 and 10,107.95 is: 13,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.45 : 25,518.29 = 10,107.95 : x
  2. Step 2: Convert to fraction form
    18,491.45/25,518.29 = 10,107.95/x
  3. Step 3: Cross multiply
    18,491.45x = 25,518.29 × 10,107.95
  4. Step 4: Simplify right side
    18,491.45x = 257,937,421.27
  5. Step 5: Solve for x
    x = 257,937,421.27/18,491.45
  6. Step 6: Final answer
    x = 13,949.01

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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.