Home / 9,914.39-14,865.64-3,157.05

Finding the Fourth Proportional to 9,914.39, 14,865.64 and 3,157.05

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Solution

The fourth proportional to 9,914.39, 14,865.64 and 3,157.05 is: 4,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.39 : 14,865.64 = 3,157.05 : x
  2. Step 2: Convert to fraction form
    9,914.39/14,865.64 = 3,157.05/x
  3. Step 3: Cross multiply
    9,914.39x = 14,865.64 × 3,157.05
  4. Step 4: Simplify right side
    9,914.39x = 46,931,552.98
  5. Step 5: Solve for x
    x = 46,931,552.98/9,914.39
  6. Step 6: Final answer
    x = 4,733.68

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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.