Home / 11,269.60-16,904.40-8,360.80

Finding the Fourth Proportional to 11,269.60, 16,904.40 and 8,360.80

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Solution

The fourth proportional to 11,269.60, 16,904.40 and 8,360.80 is: 12,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.60 : 16,904.40 = 8,360.80 : x
  2. Step 2: Convert to fraction form
    11,269.60/16,904.40 = 8,360.80/x
  3. Step 3: Cross multiply
    11,269.60x = 16,904.40 × 8,360.80
  4. Step 4: Simplify right side
    11,269.60x = 141,334,307.52
  5. Step 5: Solve for x
    x = 141,334,307.52/11,269.60
  6. Step 6: Final answer
    x = 12,541.20

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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.