Home / 14,323.92-21,465.72-11,389.20

Finding the Fourth Proportional to 14,323.92, 21,465.72 and 11,389.20

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Solution

The fourth proportional to 14,323.92, 21,465.72 and 11,389.20 is: 17,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.92 : 21,465.72 = 11,389.20 : x
  2. Step 2: Convert to fraction form
    14,323.92/21,465.72 = 11,389.20/x
  3. Step 3: Cross multiply
    14,323.92x = 21,465.72 × 11,389.20
  4. Step 4: Simplify right side
    14,323.92x = 244,477,378.22
  5. Step 5: Solve for x
    x = 244,477,378.22/14,323.92
  6. Step 6: Final answer
    x = 17,067.77

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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.