Home / 14,160-21,242.43-4,300.28

Finding the Fourth Proportional to 14,160, 21,242.43 and 4,300.28

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Solution

The fourth proportional to 14,160, 21,242.43 and 4,300.28 is: 6,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160 : 21,242.43 = 4,300.28 : x
  2. Step 2: Convert to fraction form
    14,160/21,242.43 = 4,300.28/x
  3. Step 3: Cross multiply
    14,160x = 21,242.43 × 4,300.28
  4. Step 4: Simplify right side
    14,160x = 91,348,290.67
  5. Step 5: Solve for x
    x = 91,348,290.67/14,160
  6. Step 6: Final answer
    x = 6,451.15

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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.