Home / 14,420.22-19,903.51-8,136.24

Finding the Fourth Proportional to 14,420.22, 19,903.51 and 8,136.24

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Solution

The fourth proportional to 14,420.22, 19,903.51 and 8,136.24 is: 11,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.22 : 19,903.51 = 8,136.24 : x
  2. Step 2: Convert to fraction form
    14,420.22/19,903.51 = 8,136.24/x
  3. Step 3: Cross multiply
    14,420.22x = 19,903.51 × 8,136.24
  4. Step 4: Simplify right side
    14,420.22x = 161,939,734.20
  5. Step 5: Solve for x
    x = 161,939,734.20/14,420.22
  6. Step 6: Final answer
    x = 11,230.05

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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.