Home / 13,021.61-19,558.86-11,496.20

Finding the Fourth Proportional to 13,021.61, 19,558.86 and 11,496.20

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Solution

The fourth proportional to 13,021.61, 19,558.86 and 11,496.20 is: 17,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.61 : 19,558.86 = 11,496.20 : x
  2. Step 2: Convert to fraction form
    13,021.61/19,558.86 = 11,496.20/x
  3. Step 3: Cross multiply
    13,021.61x = 19,558.86 × 11,496.20
  4. Step 4: Simplify right side
    13,021.61x = 224,852,566.33
  5. Step 5: Solve for x
    x = 224,852,566.33/13,021.61
  6. Step 6: Final answer
    x = 17,267.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.