Home / 14,117.30-21,170.57-4,754.81

Finding the Fourth Proportional to 14,117.30, 21,170.57 and 4,754.81

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Solution

The fourth proportional to 14,117.30, 21,170.57 and 4,754.81 is: 7,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.30 : 21,170.57 = 4,754.81 : x
  2. Step 2: Convert to fraction form
    14,117.30/21,170.57 = 4,754.81/x
  3. Step 3: Cross multiply
    14,117.30x = 21,170.57 × 4,754.81
  4. Step 4: Simplify right side
    14,117.30x = 100,661,932.09
  5. Step 5: Solve for x
    x = 100,661,932.09/14,117.30
  6. Step 6: Final answer
    x = 7,130.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.