Home / 14,306.07-21,457.28-3,776.95

Finding the Fourth Proportional to 14,306.07, 21,457.28 and 3,776.95

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Solution

The fourth proportional to 14,306.07, 21,457.28 and 3,776.95 is: 5,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.07 : 21,457.28 = 3,776.95 : x
  2. Step 2: Convert to fraction form
    14,306.07/21,457.28 = 3,776.95/x
  3. Step 3: Cross multiply
    14,306.07x = 21,457.28 × 3,776.95
  4. Step 4: Simplify right side
    14,306.07x = 81,043,159.69
  5. Step 5: Solve for x
    x = 81,043,159.69/14,306.07
  6. Step 6: Final answer
    x = 5,664.95

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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.