Home / 10,860.09-14,985.66-6,080.30

Finding the Fourth Proportional to 10,860.09, 14,985.66 and 6,080.30

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Solution

The fourth proportional to 10,860.09, 14,985.66 and 6,080.30 is: 8,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.09 : 14,985.66 = 6,080.30 : x
  2. Step 2: Convert to fraction form
    10,860.09/14,985.66 = 6,080.30/x
  3. Step 3: Cross multiply
    10,860.09x = 14,985.66 × 6,080.30
  4. Step 4: Simplify right side
    10,860.09x = 91,117,233.57
  5. Step 5: Solve for x
    x = 91,117,233.57/10,860.09
  6. Step 6: Final answer
    x = 8,390.10

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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.