Home / 10,828.86-14,943.84-6,113.18

Finding the Fourth Proportional to 10,828.86, 14,943.84 and 6,113.18

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Solution

The fourth proportional to 10,828.86, 14,943.84 and 6,113.18 is: 8,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.86 : 14,943.84 = 6,113.18 : x
  2. Step 2: Convert to fraction form
    10,828.86/14,943.84 = 6,113.18/x
  3. Step 3: Cross multiply
    10,828.86x = 14,943.84 × 6,113.18
  4. Step 4: Simplify right side
    10,828.86x = 91,354,383.81
  5. Step 5: Solve for x
    x = 91,354,383.81/10,828.86
  6. Step 6: Final answer
    x = 8,436.20

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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.