Home / 22,655.80-31,262.76-12,583.72

Finding the Fourth Proportional to 22,655.80, 31,262.76 and 12,583.72

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Solution

The fourth proportional to 22,655.80, 31,262.76 and 12,583.72 is: 17,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.80 : 31,262.76 = 12,583.72 : x
  2. Step 2: Convert to fraction form
    22,655.80/31,262.76 = 12,583.72/x
  3. Step 3: Cross multiply
    22,655.80x = 31,262.76 × 12,583.72
  4. Step 4: Simplify right side
    22,655.80x = 393,401,818.27
  5. Step 5: Solve for x
    x = 393,401,818.27/22,655.80
  6. Step 6: Final answer
    x = 17,364.29

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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.