Home / 14,224.85-19,630.31-7,937.22

Finding the Fourth Proportional to 14,224.85, 19,630.31 and 7,937.22

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Solution

The fourth proportional to 14,224.85, 19,630.31 and 7,937.22 is: 10,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.85 : 19,630.31 = 7,937.22 : x
  2. Step 2: Convert to fraction form
    14,224.85/19,630.31 = 7,937.22/x
  3. Step 3: Cross multiply
    14,224.85x = 19,630.31 × 7,937.22
  4. Step 4: Simplify right side
    14,224.85x = 155,810,123.07
  5. Step 5: Solve for x
    x = 155,810,123.07/14,224.85
  6. Step 6: Final answer
    x = 10,953.38

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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.