Home / 18,308.02-25,265.10-10,350.28

Finding the Fourth Proportional to 18,308.02, 25,265.10 and 10,350.28

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Solution

The fourth proportional to 18,308.02, 25,265.10 and 10,350.28 is: 14,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.02 : 25,265.10 = 10,350.28 : x
  2. Step 2: Convert to fraction form
    18,308.02/25,265.10 = 10,350.28/x
  3. Step 3: Cross multiply
    18,308.02x = 25,265.10 × 10,350.28
  4. Step 4: Simplify right side
    18,308.02x = 261,500,859.23
  5. Step 5: Solve for x
    x = 261,500,859.23/18,308.02
  6. Step 6: Final answer
    x = 14,283.40

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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.