Home / 9,487.28-13,085.87-6,503.37

Finding the Fourth Proportional to 9,487.28, 13,085.87 and 6,503.37

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Solution

The fourth proportional to 9,487.28, 13,085.87 and 6,503.37 is: 8,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.28 : 13,085.87 = 6,503.37 : x
  2. Step 2: Convert to fraction form
    9,487.28/13,085.87 = 6,503.37/x
  3. Step 3: Cross multiply
    9,487.28x = 13,085.87 × 6,503.37
  4. Step 4: Simplify right side
    9,487.28x = 85,102,221.87
  5. Step 5: Solve for x
    x = 85,102,221.87/9,487.28
  6. Step 6: Final answer
    x = 8,970.14

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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.