Home / 10,805.04-14,911.55-6,329.13

Finding the Fourth Proportional to 10,805.04, 14,911.55 and 6,329.13

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Solution

The fourth proportional to 10,805.04, 14,911.55 and 6,329.13 is: 8,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.04 : 14,911.55 = 6,329.13 : x
  2. Step 2: Convert to fraction form
    10,805.04/14,911.55 = 6,329.13/x
  3. Step 3: Cross multiply
    10,805.04x = 14,911.55 × 6,329.13
  4. Step 4: Simplify right side
    10,805.04x = 94,377,106.81
  5. Step 5: Solve for x
    x = 94,377,106.81/10,805.04
  6. Step 6: Final answer
    x = 8,734.54

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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.