Home / 10,805.04-14,912.36-6,090.80

Finding the Fourth Proportional to 10,805.04, 14,912.36 and 6,090.80

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Solution

The fourth proportional to 10,805.04, 14,912.36 and 6,090.80 is: 8,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.04 : 14,912.36 = 6,090.80 : x
  2. Step 2: Convert to fraction form
    10,805.04/14,912.36 = 6,090.80/x
  3. Step 3: Cross multiply
    10,805.04x = 14,912.36 × 6,090.80
  4. Step 4: Simplify right side
    10,805.04x = 90,828,202.29
  5. Step 5: Solve for x
    x = 90,828,202.29/10,805.04
  6. Step 6: Final answer
    x = 8,406.10

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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.