Home / 14,318.20-21,477.66-5,555.08

Finding the Fourth Proportional to 14,318.20, 21,477.66 and 5,555.08

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Solution

The fourth proportional to 14,318.20, 21,477.66 and 5,555.08 is: 8,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.20 : 21,477.66 = 5,555.08 : x
  2. Step 2: Convert to fraction form
    14,318.20/21,477.66 = 5,555.08/x
  3. Step 3: Cross multiply
    14,318.20x = 21,477.66 × 5,555.08
  4. Step 4: Simplify right side
    14,318.20x = 119,310,119.51
  5. Step 5: Solve for x
    x = 119,310,119.51/14,318.20
  6. Step 6: Final answer
    x = 8,332.76

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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.