Home / 14,053.64-21,081.26-5,288.63

Finding the Fourth Proportional to 14,053.64, 21,081.26 and 5,288.63

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Solution

The fourth proportional to 14,053.64, 21,081.26 and 5,288.63 is: 7,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.64 : 21,081.26 = 5,288.63 : x
  2. Step 2: Convert to fraction form
    14,053.64/21,081.26 = 5,288.63/x
  3. Step 3: Cross multiply
    14,053.64x = 21,081.26 × 5,288.63
  4. Step 4: Simplify right side
    14,053.64x = 111,490,852.22
  5. Step 5: Solve for x
    x = 111,490,852.22/14,053.64
  6. Step 6: Final answer
    x = 7,933.24

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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.