Home / 10,828.41-14,946.84-7,679.13

Finding the Fourth Proportional to 10,828.41, 14,946.84 and 7,679.13

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Solution

The fourth proportional to 10,828.41, 14,946.84 and 7,679.13 is: 10,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.41 : 14,946.84 = 7,679.13 : x
  2. Step 2: Convert to fraction form
    10,828.41/14,946.84 = 7,679.13/x
  3. Step 3: Cross multiply
    10,828.41x = 14,946.84 × 7,679.13
  4. Step 4: Simplify right side
    10,828.41x = 114,778,727.45
  5. Step 5: Solve for x
    x = 114,778,727.45/10,828.41
  6. Step 6: Final answer
    x = 10,599.78

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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.