Home / 11,795.95-16,278.35-6,490.74

Finding the Fourth Proportional to 11,795.95, 16,278.35 and 6,490.74

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Solution

The fourth proportional to 11,795.95, 16,278.35 and 6,490.74 is: 8,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.95 : 16,278.35 = 6,490.74 : x
  2. Step 2: Convert to fraction form
    11,795.95/16,278.35 = 6,490.74/x
  3. Step 3: Cross multiply
    11,795.95x = 16,278.35 × 6,490.74
  4. Step 4: Simplify right side
    11,795.95x = 105,658,537.48
  5. Step 5: Solve for x
    x = 105,658,537.48/11,795.95
  6. Step 6: Final answer
    x = 8,957.19

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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.