Home / 13,600.86-18,771.08-7,552.46

Finding the Fourth Proportional to 13,600.86, 18,771.08 and 7,552.46

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Solution

The fourth proportional to 13,600.86, 18,771.08 and 7,552.46 is: 10,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.86 : 18,771.08 = 7,552.46 : x
  2. Step 2: Convert to fraction form
    13,600.86/18,771.08 = 7,552.46/x
  3. Step 3: Cross multiply
    13,600.86x = 18,771.08 × 7,552.46
  4. Step 4: Simplify right side
    13,600.86x = 141,767,699.24
  5. Step 5: Solve for x
    x = 141,767,699.24/13,600.86
  6. Step 6: Final answer
    x = 10,423.44

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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.