Home / 18,522.99-25,554.51-11,807.46

Finding the Fourth Proportional to 18,522.99, 25,554.51 and 11,807.46

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Solution

The fourth proportional to 18,522.99, 25,554.51 and 11,807.46 is: 16,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.99 : 25,554.51 = 11,807.46 : x
  2. Step 2: Convert to fraction form
    18,522.99/25,554.51 = 11,807.46/x
  3. Step 3: Cross multiply
    18,522.99x = 25,554.51 × 11,807.46
  4. Step 4: Simplify right side
    18,522.99x = 301,733,854.64
  5. Step 5: Solve for x
    x = 301,733,854.64/18,522.99
  6. Step 6: Final answer
    x = 16,289.69

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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.