Home / 11,315.02-15,604.47-7,066.47

Finding the Fourth Proportional to 11,315.02, 15,604.47 and 7,066.47

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Solution

The fourth proportional to 11,315.02, 15,604.47 and 7,066.47 is: 9,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.02 : 15,604.47 = 7,066.47 : x
  2. Step 2: Convert to fraction form
    11,315.02/15,604.47 = 7,066.47/x
  3. Step 3: Cross multiply
    11,315.02x = 15,604.47 × 7,066.47
  4. Step 4: Simplify right side
    11,315.02x = 110,268,519.12
  5. Step 5: Solve for x
    x = 110,268,519.12/11,315.02
  6. Step 6: Final answer
    x = 9,745.32

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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.