Home / 18,945.02-26,146.35-11,395.14

Finding the Fourth Proportional to 18,945.02, 26,146.35 and 11,395.14

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Solution

The fourth proportional to 18,945.02, 26,146.35 and 11,395.14 is: 15,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.02 : 26,146.35 = 11,395.14 : x
  2. Step 2: Convert to fraction form
    18,945.02/26,146.35 = 11,395.14/x
  3. Step 3: Cross multiply
    18,945.02x = 26,146.35 × 11,395.14
  4. Step 4: Simplify right side
    18,945.02x = 297,941,261.76
  5. Step 5: Solve for x
    x = 297,941,261.76/18,945.02
  6. Step 6: Final answer
    x = 15,726.63

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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.