Home / 14,378.64-21,570.70-5,021.34

Finding the Fourth Proportional to 14,378.64, 21,570.70 and 5,021.34

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Solution

The fourth proportional to 14,378.64, 21,570.70 and 5,021.34 is: 7,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.64 : 21,570.70 = 5,021.34 : x
  2. Step 2: Convert to fraction form
    14,378.64/21,570.70 = 5,021.34/x
  3. Step 3: Cross multiply
    14,378.64x = 21,570.70 × 5,021.34
  4. Step 4: Simplify right side
    14,378.64x = 108,313,818.74
  5. Step 5: Solve for x
    x = 108,313,818.74/14,378.64
  6. Step 6: Final answer
    x = 7,532.97

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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.