Home / 18,207.02-25,128.08-10,250.80

Finding the Fourth Proportional to 18,207.02, 25,128.08 and 10,250.80

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Solution

The fourth proportional to 18,207.02, 25,128.08 and 10,250.80 is: 14,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.02 : 25,128.08 = 10,250.80 : x
  2. Step 2: Convert to fraction form
    18,207.02/25,128.08 = 10,250.80/x
  3. Step 3: Cross multiply
    18,207.02x = 25,128.08 × 10,250.80
  4. Step 4: Simplify right side
    18,207.02x = 257,582,922.46
  5. Step 5: Solve for x
    x = 257,582,922.46/18,207.02
  6. Step 6: Final answer
    x = 14,147.45

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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.