Home / 14,457.84-21,679.08-6,660

Finding the Fourth Proportional to 14,457.84, 21,679.08 and 6,660

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Solution

The fourth proportional to 14,457.84, 21,679.08 and 6,660 is: 9,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.84 : 21,679.08 = 6,660 : x
  2. Step 2: Convert to fraction form
    14,457.84/21,679.08 = 6,660/x
  3. Step 3: Cross multiply
    14,457.84x = 21,679.08 × 6,660
  4. Step 4: Simplify right side
    14,457.84x = 144,382,672.80
  5. Step 5: Solve for x
    x = 144,382,672.80/14,457.84
  6. Step 6: Final answer
    x = 9,986.46

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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.