Home / 12,360.85-18,533.80-4,855.42

Finding the Fourth Proportional to 12,360.85, 18,533.80 and 4,855.42

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Solution

The fourth proportional to 12,360.85, 18,533.80 and 4,855.42 is: 7,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.85 : 18,533.80 = 4,855.42 : x
  2. Step 2: Convert to fraction form
    12,360.85/18,533.80 = 4,855.42/x
  3. Step 3: Cross multiply
    12,360.85x = 18,533.80 × 4,855.42
  4. Step 4: Simplify right side
    12,360.85x = 89,989,411.32
  5. Step 5: Solve for x
    x = 89,989,411.32/12,360.85
  6. Step 6: Final answer
    x = 7,280.20

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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.