Home / 12,153.54-18,219.35-4,360.52

Finding the Fourth Proportional to 12,153.54, 18,219.35 and 4,360.52

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Solution

The fourth proportional to 12,153.54, 18,219.35 and 4,360.52 is: 6,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.54 : 18,219.35 = 4,360.52 : x
  2. Step 2: Convert to fraction form
    12,153.54/18,219.35 = 4,360.52/x
  3. Step 3: Cross multiply
    12,153.54x = 18,219.35 × 4,360.52
  4. Step 4: Simplify right side
    12,153.54x = 79,445,840.06
  5. Step 5: Solve for x
    x = 79,445,840.06/12,153.54
  6. Step 6: Final answer
    x = 6,536.85

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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.