Home / 16,985.98-23,417.13-14,142.88

Finding the Fourth Proportional to 16,985.98, 23,417.13 and 14,142.88

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Solution

The fourth proportional to 16,985.98, 23,417.13 and 14,142.88 is: 19,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.98 : 23,417.13 = 14,142.88 : x
  2. Step 2: Convert to fraction form
    16,985.98/23,417.13 = 14,142.88/x
  3. Step 3: Cross multiply
    16,985.98x = 23,417.13 × 14,142.88
  4. Step 4: Simplify right side
    16,985.98x = 331,185,659.53
  5. Step 5: Solve for x
    x = 331,185,659.53/16,985.98
  6. Step 6: Final answer
    x = 19,497.59

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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.