Home / 13,123.32-19,536.48-13,045.44

Finding the Fourth Proportional to 13,123.32, 19,536.48 and 13,045.44

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Solution

The fourth proportional to 13,123.32, 19,536.48 and 13,045.44 is: 19,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.32 : 19,536.48 = 13,045.44 : x
  2. Step 2: Convert to fraction form
    13,123.32/19,536.48 = 13,045.44/x
  3. Step 3: Cross multiply
    13,123.32x = 19,536.48 × 13,045.44
  4. Step 4: Simplify right side
    13,123.32x = 254,861,977.65
  5. Step 5: Solve for x
    x = 254,861,977.65/13,123.32
  6. Step 6: Final answer
    x = 19,420.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.