Home / 11,347.08-16,944.10-9,271.20

Finding the Fourth Proportional to 11,347.08, 16,944.10 and 9,271.20

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Solution

The fourth proportional to 11,347.08, 16,944.10 and 9,271.20 is: 13,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.08 : 16,944.10 = 9,271.20 : x
  2. Step 2: Convert to fraction form
    11,347.08/16,944.10 = 9,271.20/x
  3. Step 3: Cross multiply
    11,347.08x = 16,944.10 × 9,271.20
  4. Step 4: Simplify right side
    11,347.08x = 157,092,139.92
  5. Step 5: Solve for x
    x = 157,092,139.92/11,347.08
  6. Step 6: Final answer
    x = 13,844.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.