Home / 9,990.92-14,985.66-4,442.60

Finding the Fourth Proportional to 9,990.92, 14,985.66 and 4,442.60

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Solution

The fourth proportional to 9,990.92, 14,985.66 and 4,442.60 is: 6,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.92 : 14,985.66 = 4,442.60 : x
  2. Step 2: Convert to fraction form
    9,990.92/14,985.66 = 4,442.60/x
  3. Step 3: Cross multiply
    9,990.92x = 14,985.66 × 4,442.60
  4. Step 4: Simplify right side
    9,990.92x = 66,575,293.12
  5. Step 5: Solve for x
    x = 66,575,293.12/9,990.92
  6. Step 6: Final answer
    x = 6,663.58

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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.