Home / 11,264.80-16,897.20-10,317.10

Finding the Fourth Proportional to 11,264.80, 16,897.20 and 10,317.10

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Solution

The fourth proportional to 11,264.80, 16,897.20 and 10,317.10 is: 15,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.80 : 16,897.20 = 10,317.10 : x
  2. Step 2: Convert to fraction form
    11,264.80/16,897.20 = 10,317.10/x
  3. Step 3: Cross multiply
    11,264.80x = 16,897.20 × 10,317.10
  4. Step 4: Simplify right side
    11,264.80x = 174,330,102.12
  5. Step 5: Solve for x
    x = 174,330,102.12/11,264.80
  6. Step 6: Final answer
    x = 15,475.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.