Home / 14,160.32-21,336.39-11,749.15

Finding the Fourth Proportional to 14,160.32, 21,336.39 and 11,749.15

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Solution

The fourth proportional to 14,160.32, 21,336.39 and 11,749.15 is: 17,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.32 : 21,336.39 = 11,749.15 : x
  2. Step 2: Convert to fraction form
    14,160.32/21,336.39 = 11,749.15/x
  3. Step 3: Cross multiply
    14,160.32x = 21,336.39 × 11,749.15
  4. Step 4: Simplify right side
    14,160.32x = 250,684,393.23
  5. Step 5: Solve for x
    x = 250,684,393.23/14,160.32
  6. Step 6: Final answer
    x = 17,703.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.