Home / 22,703.84-34,011.48-12,813.20

Finding the Fourth Proportional to 22,703.84, 34,011.48 and 12,813.20

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Solution

The fourth proportional to 22,703.84, 34,011.48 and 12,813.20 is: 19,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.84 : 34,011.48 = 12,813.20 : x
  2. Step 2: Convert to fraction form
    22,703.84/34,011.48 = 12,813.20/x
  3. Step 3: Cross multiply
    22,703.84x = 34,011.48 × 12,813.20
  4. Step 4: Simplify right side
    22,703.84x = 435,795,895.54
  5. Step 5: Solve for x
    x = 435,795,895.54/22,703.84
  6. Step 6: Final answer
    x = 19,194.81

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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.