Home / 14,639.51-21,959.19-3,546.20

Finding the Fourth Proportional to 14,639.51, 21,959.19 and 3,546.20

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Solution

The fourth proportional to 14,639.51, 21,959.19 and 3,546.20 is: 5,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.51 : 21,959.19 = 3,546.20 : x
  2. Step 2: Convert to fraction form
    14,639.51/21,959.19 = 3,546.20/x
  3. Step 3: Cross multiply
    14,639.51x = 21,959.19 × 3,546.20
  4. Step 4: Simplify right side
    14,639.51x = 77,871,659.77
  5. Step 5: Solve for x
    x = 77,871,659.77/14,639.51
  6. Step 6: Final answer
    x = 5,319.28

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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.