Home / 22,895.04-31,599.84-12,960.96

Finding the Fourth Proportional to 22,895.04, 31,599.84 and 12,960.96

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Solution

The fourth proportional to 22,895.04, 31,599.84 and 12,960.96 is: 17,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,895.04 : 31,599.84 = 12,960.96 : x
  2. Step 2: Convert to fraction form
    22,895.04/31,599.84 = 12,960.96/x
  3. Step 3: Cross multiply
    22,895.04x = 31,599.84 × 12,960.96
  4. Step 4: Simplify right side
    22,895.04x = 409,564,262.25
  5. Step 5: Solve for x
    x = 409,564,262.25/22,895.04
  6. Step 6: Final answer
    x = 17,888.78

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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.