Home / 12,038.02-18,040.58-6,775.54

Finding the Fourth Proportional to 12,038.02, 18,040.58 and 6,775.54

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Solution

The fourth proportional to 12,038.02, 18,040.58 and 6,775.54 is: 10,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.02 : 18,040.58 = 6,775.54 : x
  2. Step 2: Convert to fraction form
    12,038.02/18,040.58 = 6,775.54/x
  3. Step 3: Cross multiply
    12,038.02x = 18,040.58 × 6,775.54
  4. Step 4: Simplify right side
    12,038.02x = 122,234,671.41
  5. Step 5: Solve for x
    x = 122,234,671.41/12,038.02
  6. Step 6: Final answer
    x = 10,154.05

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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.