Home / 12,098.72-18,152.40-4,307.60

Finding the Fourth Proportional to 12,098.72, 18,152.40 and 4,307.60

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Solution

The fourth proportional to 12,098.72, 18,152.40 and 4,307.60 is: 6,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.72 : 18,152.40 = 4,307.60 : x
  2. Step 2: Convert to fraction form
    12,098.72/18,152.40 = 4,307.60/x
  3. Step 3: Cross multiply
    12,098.72x = 18,152.40 × 4,307.60
  4. Step 4: Simplify right side
    12,098.72x = 78,193,278.24
  5. Step 5: Solve for x
    x = 78,193,278.24/12,098.72
  6. Step 6: Final answer
    x = 6,462.94

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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.