Home / 14,655.64-20,222.24-8,279.32

Finding the Fourth Proportional to 14,655.64, 20,222.24 and 8,279.32

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Solution

The fourth proportional to 14,655.64, 20,222.24 and 8,279.32 is: 11,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.64 : 20,222.24 = 8,279.32 : x
  2. Step 2: Convert to fraction form
    14,655.64/20,222.24 = 8,279.32/x
  3. Step 3: Cross multiply
    14,655.64x = 20,222.24 × 8,279.32
  4. Step 4: Simplify right side
    14,655.64x = 167,426,396.08
  5. Step 5: Solve for x
    x = 167,426,396.08/14,655.64
  6. Step 6: Final answer
    x = 11,424.02

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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.