Home / 9,015.02-12,433.87-7,758.20

Finding the Fourth Proportional to 9,015.02, 12,433.87 and 7,758.20

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Solution

The fourth proportional to 9,015.02, 12,433.87 and 7,758.20 is: 10,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.02 : 12,433.87 = 7,758.20 : x
  2. Step 2: Convert to fraction form
    9,015.02/12,433.87 = 7,758.20/x
  3. Step 3: Cross multiply
    9,015.02x = 12,433.87 × 7,758.20
  4. Step 4: Simplify right side
    9,015.02x = 96,464,450.23
  5. Step 5: Solve for x
    x = 96,464,450.23/9,015.02
  6. Step 6: Final answer
    x = 10,700.41

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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.