Home / 19,701.32-27,188.34-12,045.74

Finding the Fourth Proportional to 19,701.32, 27,188.34 and 12,045.74

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Solution

The fourth proportional to 19,701.32, 27,188.34 and 12,045.74 is: 16,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.32 : 27,188.34 = 12,045.74 : x
  2. Step 2: Convert to fraction form
    19,701.32/27,188.34 = 12,045.74/x
  3. Step 3: Cross multiply
    19,701.32x = 27,188.34 × 12,045.74
  4. Step 4: Simplify right side
    19,701.32x = 327,503,674.67
  5. Step 5: Solve for x
    x = 327,503,674.67/19,701.32
  6. Step 6: Final answer
    x = 16,623.44

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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.