Home / 9,050.50-12,489.48-5,071.60

Finding the Fourth Proportional to 9,050.50, 12,489.48 and 5,071.60

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Solution

The fourth proportional to 9,050.50, 12,489.48 and 5,071.60 is: 6,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.50 : 12,489.48 = 5,071.60 : x
  2. Step 2: Convert to fraction form
    9,050.50/12,489.48 = 5,071.60/x
  3. Step 3: Cross multiply
    9,050.50x = 12,489.48 × 5,071.60
  4. Step 4: Simplify right side
    9,050.50x = 63,341,646.77
  5. Step 5: Solve for x
    x = 63,341,646.77/9,050.50
  6. Step 6: Final answer
    x = 6,998.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.