Home / 14,219.76-19,623.25-7,846.35

Finding the Fourth Proportional to 14,219.76, 19,623.25 and 7,846.35

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Solution

The fourth proportional to 14,219.76, 19,623.25 and 7,846.35 is: 10,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.76 : 19,623.25 = 7,846.35 : x
  2. Step 2: Convert to fraction form
    14,219.76/19,623.25 = 7,846.35/x
  3. Step 3: Cross multiply
    14,219.76x = 19,623.25 × 7,846.35
  4. Step 4: Simplify right side
    14,219.76x = 153,970,842.49
  5. Step 5: Solve for x
    x = 153,970,842.49/14,219.76
  6. Step 6: Final answer
    x = 10,827.95

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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.