Home / 22,145.84-30,560.96-14,603.12

Finding the Fourth Proportional to 22,145.84, 30,560.96 and 14,603.12

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Solution

The fourth proportional to 22,145.84, 30,560.96 and 14,603.12 is: 20,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.84 : 30,560.96 = 14,603.12 : x
  2. Step 2: Convert to fraction form
    22,145.84/30,560.96 = 14,603.12/x
  3. Step 3: Cross multiply
    22,145.84x = 30,560.96 × 14,603.12
  4. Step 4: Simplify right side
    22,145.84x = 446,285,366.20
  5. Step 5: Solve for x
    x = 446,285,366.20/22,145.84
  6. Step 6: Final answer
    x = 20,152.11

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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.