Home / 21,622.77-32,435.52-9,140.46

Finding the Fourth Proportional to 21,622.77, 32,435.52 and 9,140.46

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Solution

The fourth proportional to 21,622.77, 32,435.52 and 9,140.46 is: 13,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.77 : 32,435.52 = 9,140.46 : x
  2. Step 2: Convert to fraction form
    21,622.77/32,435.52 = 9,140.46/x
  3. Step 3: Cross multiply
    21,622.77x = 32,435.52 × 9,140.46
  4. Step 4: Simplify right side
    21,622.77x = 296,475,631.38
  5. Step 5: Solve for x
    x = 296,475,631.38/21,622.77
  6. Step 6: Final answer
    x = 13,711.27

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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.