Home / 22,070.18-30,457.42-11,999.30

Finding the Fourth Proportional to 22,070.18, 30,457.42 and 11,999.30

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Solution

The fourth proportional to 22,070.18, 30,457.42 and 11,999.30 is: 16,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.18 : 30,457.42 = 11,999.30 : x
  2. Step 2: Convert to fraction form
    22,070.18/30,457.42 = 11,999.30/x
  3. Step 3: Cross multiply
    22,070.18x = 30,457.42 × 11,999.30
  4. Step 4: Simplify right side
    22,070.18x = 365,467,719.81
  5. Step 5: Solve for x
    x = 365,467,719.81/22,070.18
  6. Step 6: Final answer
    x = 16,559.34

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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.