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Finding the Fourth Proportional to 22,010, 30,360.36 and 14,457.20

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Solution

The fourth proportional to 22,010, 30,360.36 and 14,457.20 is: 19,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010 : 30,360.36 = 14,457.20 : x
  2. Step 2: Convert to fraction form
    22,010/30,360.36 = 14,457.20/x
  3. Step 3: Cross multiply
    22,010x = 30,360.36 × 14,457.20
  4. Step 4: Simplify right side
    22,010x = 438,925,796.59
  5. Step 5: Solve for x
    x = 438,925,796.59/22,010
  6. Step 6: Final answer
    x = 19,942.11

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Double scale
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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.