Home / 16,681.62-22,968.18-14,158.47

Finding the Fourth Proportional to 16,681.62, 22,968.18 and 14,158.47

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Solution

The fourth proportional to 16,681.62, 22,968.18 and 14,158.47 is: 19,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.62 : 22,968.18 = 14,158.47 : x
  2. Step 2: Convert to fraction form
    16,681.62/22,968.18 = 14,158.47/x
  3. Step 3: Cross multiply
    16,681.62x = 22,968.18 × 14,158.47
  4. Step 4: Simplify right side
    16,681.62x = 325,194,287.48
  5. Step 5: Solve for x
    x = 325,194,287.48/16,681.62
  6. Step 6: Final answer
    x = 19,494.17

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1.5x scale

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.