Home / 14,404.94-21,616.52-5,639.63

Finding the Fourth Proportional to 14,404.94, 21,616.52 and 5,639.63

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Solution

The fourth proportional to 14,404.94, 21,616.52 and 5,639.63 is: 8,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.94 : 21,616.52 = 5,639.63 : x
  2. Step 2: Convert to fraction form
    14,404.94/21,616.52 = 5,639.63/x
  3. Step 3: Cross multiply
    14,404.94x = 21,616.52 × 5,639.63
  4. Step 4: Simplify right side
    14,404.94x = 121,909,070.13
  5. Step 5: Solve for x
    x = 121,909,070.13/14,404.94
  6. Step 6: Final answer
    x = 8,463.01

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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.