Home / 9,630.06-13,295.85-6,447.45

Finding the Fourth Proportional to 9,630.06, 13,295.85 and 6,447.45

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Solution

The fourth proportional to 9,630.06, 13,295.85 and 6,447.45 is: 8,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.06 : 13,295.85 = 6,447.45 : x
  2. Step 2: Convert to fraction form
    9,630.06/13,295.85 = 6,447.45/x
  3. Step 3: Cross multiply
    9,630.06x = 13,295.85 × 6,447.45
  4. Step 4: Simplify right side
    9,630.06x = 85,724,328.08
  5. Step 5: Solve for x
    x = 85,724,328.08/9,630.06
  6. Step 6: Final answer
    x = 8,901.74

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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.