Home / 15,989.94-21,948.71-14,182.02

Finding the Fourth Proportional to 15,989.94, 21,948.71 and 14,182.02

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Solution

The fourth proportional to 15,989.94, 21,948.71 and 14,182.02 is: 19,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.94 : 21,948.71 = 14,182.02 : x
  2. Step 2: Convert to fraction form
    15,989.94/21,948.71 = 14,182.02/x
  3. Step 3: Cross multiply
    15,989.94x = 21,948.71 × 14,182.02
  4. Step 4: Simplify right side
    15,989.94x = 311,276,973.28
  5. Step 5: Solve for x
    x = 311,276,973.28/15,989.94
  6. Step 6: Final answer
    x = 19,467.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.