Home / 22,941.63-31,658.95-12,869.89

Finding the Fourth Proportional to 22,941.63, 31,658.95 and 12,869.89

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Solution

The fourth proportional to 22,941.63, 31,658.95 and 12,869.89 is: 17,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941.63 : 31,658.95 = 12,869.89 : x
  2. Step 2: Convert to fraction form
    22,941.63/31,658.95 = 12,869.89/x
  3. Step 3: Cross multiply
    22,941.63x = 31,658.95 × 12,869.89
  4. Step 4: Simplify right side
    22,941.63x = 407,447,140.96
  5. Step 5: Solve for x
    x = 407,447,140.96/22,941.63
  6. Step 6: Final answer
    x = 17,760.17

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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.