Home / 18,165.02-25,069.36-10,209.20

Finding the Fourth Proportional to 18,165.02, 25,069.36 and 10,209.20

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Solution

The fourth proportional to 18,165.02, 25,069.36 and 10,209.20 is: 14,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.02 : 25,069.36 = 10,209.20 : x
  2. Step 2: Convert to fraction form
    18,165.02/25,069.36 = 10,209.20/x
  3. Step 3: Cross multiply
    18,165.02x = 25,069.36 × 10,209.20
  4. Step 4: Simplify right side
    18,165.02x = 255,938,110.11
  5. Step 5: Solve for x
    x = 255,938,110.11/18,165.02
  6. Step 6: Final answer
    x = 14,089.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.