Home / 14,276.89-19,698.78-8,305.16

Finding the Fourth Proportional to 14,276.89, 19,698.78 and 8,305.16

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Solution

The fourth proportional to 14,276.89, 19,698.78 and 8,305.16 is: 11,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.89 : 19,698.78 = 8,305.16 : x
  2. Step 2: Convert to fraction form
    14,276.89/19,698.78 = 8,305.16/x
  3. Step 3: Cross multiply
    14,276.89x = 19,698.78 × 8,305.16
  4. Step 4: Simplify right side
    14,276.89x = 163,601,568.95
  5. Step 5: Solve for x
    x = 163,601,568.95/14,276.89
  6. Step 6: Final answer
    x = 11,459.19

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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.