Home / 14,088.76-21,137.46-5,326.36

Finding the Fourth Proportional to 14,088.76, 21,137.46 and 5,326.36

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Solution

The fourth proportional to 14,088.76, 21,137.46 and 5,326.36 is: 7,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.76 : 21,137.46 = 5,326.36 : x
  2. Step 2: Convert to fraction form
    14,088.76/21,137.46 = 5,326.36/x
  3. Step 3: Cross multiply
    14,088.76x = 21,137.46 × 5,326.36
  4. Step 4: Simplify right side
    14,088.76x = 112,585,721.45
  5. Step 5: Solve for x
    x = 112,585,721.45/14,088.76
  6. Step 6: Final answer
    x = 7,991.17

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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.