Home / 15,136.18-20,887.77-8,847.34

Finding the Fourth Proportional to 15,136.18, 20,887.77 and 8,847.34

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Solution

The fourth proportional to 15,136.18, 20,887.77 and 8,847.34 is: 12,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.18 : 20,887.77 = 8,847.34 : x
  2. Step 2: Convert to fraction form
    15,136.18/20,887.77 = 8,847.34/x
  3. Step 3: Cross multiply
    15,136.18x = 20,887.77 × 8,847.34
  4. Step 4: Simplify right side
    15,136.18x = 184,801,203.03
  5. Step 5: Solve for x
    x = 184,801,203.03/15,136.18
  6. Step 6: Final answer
    x = 12,209.24

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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.