Home / 10,328.40-14,255.48-6,791.94

Finding the Fourth Proportional to 10,328.40, 14,255.48 and 6,791.94

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Solution

The fourth proportional to 10,328.40, 14,255.48 and 6,791.94 is: 9,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.40 : 14,255.48 = 6,791.94 : x
  2. Step 2: Convert to fraction form
    10,328.40/14,255.48 = 6,791.94/x
  3. Step 3: Cross multiply
    10,328.40x = 14,255.48 × 6,791.94
  4. Step 4: Simplify right side
    10,328.40x = 96,822,381.81
  5. Step 5: Solve for x
    x = 96,822,381.81/10,328.40
  6. Step 6: Final answer
    x = 9,374.38

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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.