Home / 9,819.66-14,740.38-4,887.98

Finding the Fourth Proportional to 9,819.66, 14,740.38 and 4,887.98

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Solution

The fourth proportional to 9,819.66, 14,740.38 and 4,887.98 is: 7,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.66 : 14,740.38 = 4,887.98 : x
  2. Step 2: Convert to fraction form
    9,819.66/14,740.38 = 4,887.98/x
  3. Step 3: Cross multiply
    9,819.66x = 14,740.38 × 4,887.98
  4. Step 4: Simplify right side
    9,819.66x = 72,050,608.93
  5. Step 5: Solve for x
    x = 72,050,608.93/9,819.66
  6. Step 6: Final answer
    x = 7,337.38

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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.