Home / 11,256.08-16,859.04-7,959.20

Finding the Fourth Proportional to 11,256.08, 16,859.04 and 7,959.20

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Solution

The fourth proportional to 11,256.08, 16,859.04 and 7,959.20 is: 11,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.08 : 16,859.04 = 7,959.20 : x
  2. Step 2: Convert to fraction form
    11,256.08/16,859.04 = 7,959.20/x
  3. Step 3: Cross multiply
    11,256.08x = 16,859.04 × 7,959.20
  4. Step 4: Simplify right side
    11,256.08x = 134,184,471.17
  5. Step 5: Solve for x
    x = 134,184,471.17/11,256.08
  6. Step 6: Final answer
    x = 11,921.07

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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.