Home / 14,944.64-20,623.04-8,320.64

Finding the Fourth Proportional to 14,944.64, 20,623.04 and 8,320.64

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Solution

The fourth proportional to 14,944.64, 20,623.04 and 8,320.64 is: 11,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.64 : 20,623.04 = 8,320.64 : x
  2. Step 2: Convert to fraction form
    14,944.64/20,623.04 = 8,320.64/x
  3. Step 3: Cross multiply
    14,944.64x = 20,623.04 × 8,320.64
  4. Step 4: Simplify right side
    14,944.64x = 171,596,891.55
  5. Step 5: Solve for x
    x = 171,596,891.55/14,944.64
  6. Step 6: Final answer
    x = 11,482.17

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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.