Home / 10,827.20-14,941.48-6,111.40

Finding the Fourth Proportional to 10,827.20, 14,941.48 and 6,111.40

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Solution

The fourth proportional to 10,827.20, 14,941.48 and 6,111.40 is: 8,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.20 : 14,941.48 = 6,111.40 : x
  2. Step 2: Convert to fraction form
    10,827.20/14,941.48 = 6,111.40/x
  3. Step 3: Cross multiply
    10,827.20x = 14,941.48 × 6,111.40
  4. Step 4: Simplify right side
    10,827.20x = 91,313,360.87
  5. Step 5: Solve for x
    x = 91,313,360.87/10,827.20
  6. Step 6: Final answer
    x = 8,433.70

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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.