Home / 13,021.06-17,969.98-7,432.06

Finding the Fourth Proportional to 13,021.06, 17,969.98 and 7,432.06

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Solution

The fourth proportional to 13,021.06, 17,969.98 and 7,432.06 is: 10,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.06 : 17,969.98 = 7,432.06 : x
  2. Step 2: Convert to fraction form
    13,021.06/17,969.98 = 7,432.06/x
  3. Step 3: Cross multiply
    13,021.06x = 17,969.98 × 7,432.06
  4. Step 4: Simplify right side
    13,021.06x = 133,553,969.56
  5. Step 5: Solve for x
    x = 133,553,969.56/13,021.06
  6. Step 6: Final answer
    x = 10,256.77

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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.