Home / 15,616.95-21,550.93-8,543.22

Finding the Fourth Proportional to 15,616.95, 21,550.93 and 8,543.22

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Solution

The fourth proportional to 15,616.95, 21,550.93 and 8,543.22 is: 11,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.95 : 21,550.93 = 8,543.22 : x
  2. Step 2: Convert to fraction form
    15,616.95/21,550.93 = 8,543.22/x
  3. Step 3: Cross multiply
    15,616.95x = 21,550.93 × 8,543.22
  4. Step 4: Simplify right side
    15,616.95x = 184,114,336.19
  5. Step 5: Solve for x
    x = 184,114,336.19/15,616.95
  6. Step 6: Final answer
    x = 11,789.39

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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.