Home / 14,039.28-21,055.92-4,677.84

Finding the Fourth Proportional to 14,039.28, 21,055.92 and 4,677.84

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Solution

The fourth proportional to 14,039.28, 21,055.92 and 4,677.84 is: 7,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.28 : 21,055.92 = 4,677.84 : x
  2. Step 2: Convert to fraction form
    14,039.28/21,055.92 = 4,677.84/x
  3. Step 3: Cross multiply
    14,039.28x = 21,055.92 × 4,677.84
  4. Step 4: Simplify right side
    14,039.28x = 98,496,224.81
  5. Step 5: Solve for x
    x = 98,496,224.81/14,039.28
  6. Step 6: Final answer
    x = 7,015.76

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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.