Home / 11,132.08-16,696.40-4,890.72

Finding the Fourth Proportional to 11,132.08, 16,696.40 and 4,890.72

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Solution

The fourth proportional to 11,132.08, 16,696.40 and 4,890.72 is: 7,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.08 : 16,696.40 = 4,890.72 : x
  2. Step 2: Convert to fraction form
    11,132.08/16,696.40 = 4,890.72/x
  3. Step 3: Cross multiply
    11,132.08x = 16,696.40 × 4,890.72
  4. Step 4: Simplify right side
    11,132.08x = 81,657,417.41
  5. Step 5: Solve for x
    x = 81,657,417.41/11,132.08
  6. Step 6: Final answer
    x = 7,335.32

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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.