Home / 8,955.34-13,433.02-3,111.96

Finding the Fourth Proportional to 8,955.34, 13,433.02 and 3,111.96

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Solution

The fourth proportional to 8,955.34, 13,433.02 and 3,111.96 is: 4,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.34 : 13,433.02 = 3,111.96 : x
  2. Step 2: Convert to fraction form
    8,955.34/13,433.02 = 3,111.96/x
  3. Step 3: Cross multiply
    8,955.34x = 13,433.02 × 3,111.96
  4. Step 4: Simplify right side
    8,955.34x = 41,803,020.92
  5. Step 5: Solve for x
    x = 41,803,020.92/8,955.34
  6. Step 6: Final answer
    x = 4,667.94

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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.