Home / 13,109.70-19,663.65-4,224.90

Finding the Fourth Proportional to 13,109.70, 19,663.65 and 4,224.90

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Solution

The fourth proportional to 13,109.70, 19,663.65 and 4,224.90 is: 6,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.70 : 19,663.65 = 4,224.90 : x
  2. Step 2: Convert to fraction form
    13,109.70/19,663.65 = 4,224.90/x
  3. Step 3: Cross multiply
    13,109.70x = 19,663.65 × 4,224.90
  4. Step 4: Simplify right side
    13,109.70x = 83,076,954.89
  5. Step 5: Solve for x
    x = 83,076,954.89/13,109.70
  6. Step 6: Final answer
    x = 6,337.06

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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.