Home / 18,964.20-28,302.10-16,862.36

Finding the Fourth Proportional to 18,964.20, 28,302.10 and 16,862.36

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Solution

The fourth proportional to 18,964.20, 28,302.10 and 16,862.36 is: 25,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.20 : 28,302.10 = 16,862.36 : x
  2. Step 2: Convert to fraction form
    18,964.20/28,302.10 = 16,862.36/x
  3. Step 3: Cross multiply
    18,964.20x = 28,302.10 × 16,862.36
  4. Step 4: Simplify right side
    18,964.20x = 477,240,150.02
  5. Step 5: Solve for x
    x = 477,240,150.02/18,964.20
  6. Step 6: Final answer
    x = 25,165.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.