Home / 19,418.24-29,128.90-6,937.76

Finding the Fourth Proportional to 19,418.24, 29,128.90 and 6,937.76

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Solution

The fourth proportional to 19,418.24, 29,128.90 and 6,937.76 is: 10,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.24 : 29,128.90 = 6,937.76 : x
  2. Step 2: Convert to fraction form
    19,418.24/29,128.90 = 6,937.76/x
  3. Step 3: Cross multiply
    19,418.24x = 29,128.90 × 6,937.76
  4. Step 4: Simplify right side
    19,418.24x = 202,089,317.26
  5. Step 5: Solve for x
    x = 202,089,317.26/19,418.24
  6. Step 6: Final answer
    x = 10,407.19

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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.