Home / 19,723.02-27,212.76-12,658.98

Finding the Fourth Proportional to 19,723.02, 27,212.76 and 12,658.98

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Solution

The fourth proportional to 19,723.02, 27,212.76 and 12,658.98 is: 17,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.02 : 27,212.76 = 12,658.98 : x
  2. Step 2: Convert to fraction form
    19,723.02/27,212.76 = 12,658.98/x
  3. Step 3: Cross multiply
    19,723.02x = 27,212.76 × 12,658.98
  4. Step 4: Simplify right side
    19,723.02x = 344,485,784.58
  5. Step 5: Solve for x
    x = 344,485,784.58/19,723.02
  6. Step 6: Final answer
    x = 17,466.18

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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.