Home / 10,823.40-14,936.49-6,106.77

Finding the Fourth Proportional to 10,823.40, 14,936.49 and 6,106.77

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Solution

The fourth proportional to 10,823.40, 14,936.49 and 6,106.77 is: 8,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.40 : 14,936.49 = 6,106.77 : x
  2. Step 2: Convert to fraction form
    10,823.40/14,936.49 = 6,106.77/x
  3. Step 3: Cross multiply
    10,823.40x = 14,936.49 × 6,106.77
  4. Step 4: Simplify right side
    10,823.40x = 91,213,709.04
  5. Step 5: Solve for x
    x = 91,213,709.04/10,823.40
  6. Step 6: Final answer
    x = 8,427.45

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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.