Home / 14,047.71-21,071.48-3,659.46

Finding the Fourth Proportional to 14,047.71, 21,071.48 and 3,659.46

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Solution

The fourth proportional to 14,047.71, 21,071.48 and 3,659.46 is: 5,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.71 : 21,071.48 = 3,659.46 : x
  2. Step 2: Convert to fraction form
    14,047.71/21,071.48 = 3,659.46/x
  3. Step 3: Cross multiply
    14,047.71x = 21,071.48 × 3,659.46
  4. Step 4: Simplify right side
    14,047.71x = 77,110,219.90
  5. Step 5: Solve for x
    x = 77,110,219.90/14,047.71
  6. Step 6: Final answer
    x = 5,489.17

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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.