Home / 18,123.02-25,009.80-10,165.22

Finding the Fourth Proportional to 18,123.02, 25,009.80 and 10,165.22

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Solution

The fourth proportional to 18,123.02, 25,009.80 and 10,165.22 is: 14,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.02 : 25,009.80 = 10,165.22 : x
  2. Step 2: Convert to fraction form
    18,123.02/25,009.80 = 10,165.22/x
  3. Step 3: Cross multiply
    18,123.02x = 25,009.80 × 10,165.22
  4. Step 4: Simplify right side
    18,123.02x = 254,230,119.16
  5. Step 5: Solve for x
    x = 254,230,119.16/18,123.02
  6. Step 6: Final answer
    x = 14,028.02

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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.