Home / 20,064.48-30,099.60-6,210.24

Finding the Fourth Proportional to 20,064.48, 30,099.60 and 6,210.24

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Solution

The fourth proportional to 20,064.48, 30,099.60 and 6,210.24 is: 9,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.48 : 30,099.60 = 6,210.24 : x
  2. Step 2: Convert to fraction form
    20,064.48/30,099.60 = 6,210.24/x
  3. Step 3: Cross multiply
    20,064.48x = 30,099.60 × 6,210.24
  4. Step 4: Simplify right side
    20,064.48x = 186,925,739.90
  5. Step 5: Solve for x
    x = 186,925,739.90/20,064.48
  6. Step 6: Final answer
    x = 9,316.25

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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.