Home / 22,830.23-31,505.64-12,758.67

Finding the Fourth Proportional to 22,830.23, 31,505.64 and 12,758.67

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Solution

The fourth proportional to 22,830.23, 31,505.64 and 12,758.67 is: 17,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.23 : 31,505.64 = 12,758.67 : x
  2. Step 2: Convert to fraction form
    22,830.23/31,505.64 = 12,758.67/x
  3. Step 3: Cross multiply
    22,830.23x = 31,505.64 × 12,758.67
  4. Step 4: Simplify right side
    22,830.23x = 401,970,063.90
  5. Step 5: Solve for x
    x = 401,970,063.90/22,830.23
  6. Step 6: Final answer
    x = 17,606.93

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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.