Home / 14,785.96-22,165.75-5,423.79

Finding the Fourth Proportional to 14,785.96, 22,165.75 and 5,423.79

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Solution

The fourth proportional to 14,785.96, 22,165.75 and 5,423.79 is: 8,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.96 : 22,165.75 = 5,423.79 : x
  2. Step 2: Convert to fraction form
    14,785.96/22,165.75 = 5,423.79/x
  3. Step 3: Cross multiply
    14,785.96x = 22,165.75 × 5,423.79
  4. Step 4: Simplify right side
    14,785.96x = 120,222,276.51
  5. Step 5: Solve for x
    x = 120,222,276.51/14,785.96
  6. Step 6: Final answer
    x = 8,130.84

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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.