Home / 11,313.95-16,970.91-6,381.35

Finding the Fourth Proportional to 11,313.95, 16,970.91 and 6,381.35

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Solution

The fourth proportional to 11,313.95, 16,970.91 and 6,381.35 is: 9,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.95 : 16,970.91 = 6,381.35 : x
  2. Step 2: Convert to fraction form
    11,313.95/16,970.91 = 6,381.35/x
  3. Step 3: Cross multiply
    11,313.95x = 16,970.91 × 6,381.35
  4. Step 4: Simplify right side
    11,313.95x = 108,297,316.53
  5. Step 5: Solve for x
    x = 108,297,316.53/11,313.95
  6. Step 6: Final answer
    x = 9,572.02

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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.