Home / 21,167.19-29,204.15-14,094.81

Finding the Fourth Proportional to 21,167.19, 29,204.15 and 14,094.81

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Solution

The fourth proportional to 21,167.19, 29,204.15 and 14,094.81 is: 19,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.19 : 29,204.15 = 14,094.81 : x
  2. Step 2: Convert to fraction form
    21,167.19/29,204.15 = 14,094.81/x
  3. Step 3: Cross multiply
    21,167.19x = 29,204.15 × 14,094.81
  4. Step 4: Simplify right side
    21,167.19x = 411,626,874.99
  5. Step 5: Solve for x
    x = 411,626,874.99/21,167.19
  6. Step 6: Final answer
    x = 19,446.46

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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.