Home / 14,089.54-19,442.20-8,423.16

Finding the Fourth Proportional to 14,089.54, 19,442.20 and 8,423.16

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Solution

The fourth proportional to 14,089.54, 19,442.20 and 8,423.16 is: 11,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.54 : 19,442.20 = 8,423.16 : x
  2. Step 2: Convert to fraction form
    14,089.54/19,442.20 = 8,423.16/x
  3. Step 3: Cross multiply
    14,089.54x = 19,442.20 × 8,423.16
  4. Step 4: Simplify right side
    14,089.54x = 163,764,761.35
  5. Step 5: Solve for x
    x = 163,764,761.35/14,089.54
  6. Step 6: Final answer
    x = 11,623.14

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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.