Home / 11,903.02-16,442.92-11,017.28

Finding the Fourth Proportional to 11,903.02, 16,442.92 and 11,017.28

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Solution

The fourth proportional to 11,903.02, 16,442.92 and 11,017.28 is: 15,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.02 : 16,442.92 = 11,017.28 : x
  2. Step 2: Convert to fraction form
    11,903.02/16,442.92 = 11,017.28/x
  3. Step 3: Cross multiply
    11,903.02x = 16,442.92 × 11,017.28
  4. Step 4: Simplify right side
    11,903.02x = 181,156,253.66
  5. Step 5: Solve for x
    x = 181,156,253.66/11,903.02
  6. Step 6: Final answer
    x = 15,219.35

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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.