Home / 11,055.80-16,559.40-6,657.50

Finding the Fourth Proportional to 11,055.80, 16,559.40 and 6,657.50

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Solution

The fourth proportional to 11,055.80, 16,559.40 and 6,657.50 is: 9,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.80 : 16,559.40 = 6,657.50 : x
  2. Step 2: Convert to fraction form
    11,055.80/16,559.40 = 6,657.50/x
  3. Step 3: Cross multiply
    11,055.80x = 16,559.40 × 6,657.50
  4. Step 4: Simplify right side
    11,055.80x = 110,244,205.50
  5. Step 5: Solve for x
    x = 110,244,205.50/11,055.80
  6. Step 6: Final answer
    x = 9,971.62

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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.