Home / 18,588.02-25,651.65-10,090.21

Finding the Fourth Proportional to 18,588.02, 25,651.65 and 10,090.21

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Solution

The fourth proportional to 18,588.02, 25,651.65 and 10,090.21 is: 13,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.02 : 25,651.65 = 10,090.21 : x
  2. Step 2: Convert to fraction form
    18,588.02/25,651.65 = 10,090.21/x
  3. Step 3: Cross multiply
    18,588.02x = 25,651.65 × 10,090.21
  4. Step 4: Simplify right side
    18,588.02x = 258,830,535.35
  5. Step 5: Solve for x
    x = 258,830,535.35/18,588.02
  6. Step 6: Final answer
    x = 13,924.59

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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.