Home / 10,307.76-14,224.32-6,329.04

Finding the Fourth Proportional to 10,307.76, 14,224.32 and 6,329.04

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Solution

The fourth proportional to 10,307.76, 14,224.32 and 6,329.04 is: 8,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.76 : 14,224.32 = 6,329.04 : x
  2. Step 2: Convert to fraction form
    10,307.76/14,224.32 = 6,329.04/x
  3. Step 3: Cross multiply
    10,307.76x = 14,224.32 × 6,329.04
  4. Step 4: Simplify right side
    10,307.76x = 90,026,290.25
  5. Step 5: Solve for x
    x = 90,026,290.25/10,307.76
  6. Step 6: Final answer
    x = 8,733.84

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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.