Home / 9,991.33-14,985.58-4,070.80

Finding the Fourth Proportional to 9,991.33, 14,985.58 and 4,070.80

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Solution

The fourth proportional to 9,991.33, 14,985.58 and 4,070.80 is: 6,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.33 : 14,985.58 = 4,070.80 : x
  2. Step 2: Convert to fraction form
    9,991.33/14,985.58 = 4,070.80/x
  3. Step 3: Cross multiply
    9,991.33x = 14,985.58 × 4,070.80
  4. Step 4: Simplify right side
    9,991.33x = 61,003,326.35
  5. Step 5: Solve for x
    x = 61,003,326.35/9,991.33
  6. Step 6: Final answer
    x = 6,105.62

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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.