Home / 22,968.70-31,698.64-12,897.81

Finding the Fourth Proportional to 22,968.70, 31,698.64 and 12,897.81

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Solution

The fourth proportional to 22,968.70, 31,698.64 and 12,897.81 is: 17,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,968.70 : 31,698.64 = 12,897.81 : x
  2. Step 2: Convert to fraction form
    22,968.70/31,698.64 = 12,897.81/x
  3. Step 3: Cross multiply
    22,968.70x = 31,698.64 × 12,897.81
  4. Step 4: Simplify right side
    22,968.70x = 408,843,035.98
  5. Step 5: Solve for x
    x = 408,843,035.98/22,968.70
  6. Step 6: Final answer
    x = 17,800.01

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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.