Home / 14,795.95-20,416.56-8,423.38

Finding the Fourth Proportional to 14,795.95, 20,416.56 and 8,423.38

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Solution

The fourth proportional to 14,795.95, 20,416.56 and 8,423.38 is: 11,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.95 : 20,416.56 = 8,423.38 : x
  2. Step 2: Convert to fraction form
    14,795.95/20,416.56 = 8,423.38/x
  3. Step 3: Cross multiply
    14,795.95x = 20,416.56 × 8,423.38
  4. Step 4: Simplify right side
    14,795.95x = 171,976,443.17
  5. Step 5: Solve for x
    x = 171,976,443.17/14,795.95
  6. Step 6: Final answer
    x = 11,623.21

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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.