Home / 16,643.68-22,957.73-12,656.05

Finding the Fourth Proportional to 16,643.68, 22,957.73 and 12,656.05

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Solution

The fourth proportional to 16,643.68, 22,957.73 and 12,656.05 is: 17,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.68 : 22,957.73 = 12,656.05 : x
  2. Step 2: Convert to fraction form
    16,643.68/22,957.73 = 12,656.05/x
  3. Step 3: Cross multiply
    16,643.68x = 22,957.73 × 12,656.05
  4. Step 4: Simplify right side
    16,643.68x = 290,554,058.09
  5. Step 5: Solve for x
    x = 290,554,058.09/16,643.68
  6. Step 6: Final answer
    x = 17,457.32

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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.