Home / 15,465.19-23,209.45-11,315.91

Finding the Fourth Proportional to 15,465.19, 23,209.45 and 11,315.91

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Solution

The fourth proportional to 15,465.19, 23,209.45 and 11,315.91 is: 16,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.19 : 23,209.45 = 11,315.91 : x
  2. Step 2: Convert to fraction form
    15,465.19/23,209.45 = 11,315.91/x
  3. Step 3: Cross multiply
    15,465.19x = 23,209.45 × 11,315.91
  4. Step 4: Simplify right side
    15,465.19x = 262,635,974.46
  5. Step 5: Solve for x
    x = 262,635,974.46/15,465.19
  6. Step 6: Final answer
    x = 16,982.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.