Home / 12,018.47-18,039.02-6,099.61

Finding the Fourth Proportional to 12,018.47, 18,039.02 and 6,099.61

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Solution

The fourth proportional to 12,018.47, 18,039.02 and 6,099.61 is: 9,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.47 : 18,039.02 = 6,099.61 : x
  2. Step 2: Convert to fraction form
    12,018.47/18,039.02 = 6,099.61/x
  3. Step 3: Cross multiply
    12,018.47x = 18,039.02 × 6,099.61
  4. Step 4: Simplify right side
    12,018.47x = 110,030,986.78
  5. Step 5: Solve for x
    x = 110,030,986.78/12,018.47
  6. Step 6: Final answer
    x = 9,155.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.