Home / 15,734.64-21,727.80-11,748.90

Finding the Fourth Proportional to 15,734.64, 21,727.80 and 11,748.90

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Solution

The fourth proportional to 15,734.64, 21,727.80 and 11,748.90 is: 16,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.64 : 21,727.80 = 11,748.90 : x
  2. Step 2: Convert to fraction form
    15,734.64/21,727.80 = 11,748.90/x
  3. Step 3: Cross multiply
    15,734.64x = 21,727.80 × 11,748.90
  4. Step 4: Simplify right side
    15,734.64x = 255,277,749.42
  5. Step 5: Solve for x
    x = 255,277,749.42/15,734.64
  6. Step 6: Final answer
    x = 16,223.93

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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.