Home / 10,827.31-14,941.57-6,111.79

Finding the Fourth Proportional to 10,827.31, 14,941.57 and 6,111.79

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Solution

The fourth proportional to 10,827.31, 14,941.57 and 6,111.79 is: 8,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.31 : 14,941.57 = 6,111.79 : x
  2. Step 2: Convert to fraction form
    10,827.31/14,941.57 = 6,111.79/x
  3. Step 3: Cross multiply
    10,827.31x = 14,941.57 × 6,111.79
  4. Step 4: Simplify right side
    10,827.31x = 91,319,738.11
  5. Step 5: Solve for x
    x = 91,319,738.11/10,827.31
  6. Step 6: Final answer
    x = 8,434.20

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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.