Home / 9,631.60-13,289.48-6,274.08

Finding the Fourth Proportional to 9,631.60, 13,289.48 and 6,274.08

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Solution

The fourth proportional to 9,631.60, 13,289.48 and 6,274.08 is: 8,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.60 : 13,289.48 = 6,274.08 : x
  2. Step 2: Convert to fraction form
    9,631.60/13,289.48 = 6,274.08/x
  3. Step 3: Cross multiply
    9,631.60x = 13,289.48 × 6,274.08
  4. Step 4: Simplify right side
    9,631.60x = 83,379,260.68
  5. Step 5: Solve for x
    x = 83,379,260.68/9,631.60
  6. Step 6: Final answer
    x = 8,656.84

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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.