Home / 14,447.43-21,681-6,656.31

Finding the Fourth Proportional to 14,447.43, 21,681 and 6,656.31

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Solution

The fourth proportional to 14,447.43, 21,681 and 6,656.31 is: 9,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.43 : 21,681 = 6,656.31 : x
  2. Step 2: Convert to fraction form
    14,447.43/21,681 = 6,656.31/x
  3. Step 3: Cross multiply
    14,447.43x = 21,681 × 6,656.31
  4. Step 4: Simplify right side
    14,447.43x = 144,315,457.11
  5. Step 5: Solve for x
    x = 144,315,457.11/14,447.43
  6. Step 6: Final answer
    x = 9,989.01

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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.