Home / 22,497.45-31,045.64-12,425.67

Finding the Fourth Proportional to 22,497.45, 31,045.64 and 12,425.67

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Solution

The fourth proportional to 22,497.45, 31,045.64 and 12,425.67 is: 17,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.45 : 31,045.64 = 12,425.67 : x
  2. Step 2: Convert to fraction form
    22,497.45/31,045.64 = 12,425.67/x
  3. Step 3: Cross multiply
    22,497.45x = 31,045.64 × 12,425.67
  4. Step 4: Simplify right side
    22,497.45x = 385,762,815.45
  5. Step 5: Solve for x
    x = 385,762,815.45/22,497.45
  6. Step 6: Final answer
    x = 17,146.96

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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.