Home / 13,622.27-18,798.64-7,653.95

Finding the Fourth Proportional to 13,622.27, 18,798.64 and 7,653.95

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Solution

The fourth proportional to 13,622.27, 18,798.64 and 7,653.95 is: 10,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.27 : 18,798.64 = 7,653.95 : x
  2. Step 2: Convert to fraction form
    13,622.27/18,798.64 = 7,653.95/x
  3. Step 3: Cross multiply
    13,622.27x = 18,798.64 × 7,653.95
  4. Step 4: Simplify right side
    13,622.27x = 143,883,737.50
  5. Step 5: Solve for x
    x = 143,883,737.50/13,622.27
  6. Step 6: Final answer
    x = 10,562.39

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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.