Home / 22,070.51-30,457.44-11,999.04

Finding the Fourth Proportional to 22,070.51, 30,457.44 and 11,999.04

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Solution

The fourth proportional to 22,070.51, 30,457.44 and 11,999.04 is: 16,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.51 : 30,457.44 = 11,999.04 : x
  2. Step 2: Convert to fraction form
    22,070.51/30,457.44 = 11,999.04/x
  3. Step 3: Cross multiply
    22,070.51x = 30,457.44 × 11,999.04
  4. Step 4: Simplify right side
    22,070.51x = 365,460,040.86
  5. Step 5: Solve for x
    x = 365,460,040.86/22,070.51
  6. Step 6: Final answer
    x = 16,558.75

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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.