Home / 14,288.74-21,466.05-13,698.26

Finding the Fourth Proportional to 14,288.74, 21,466.05 and 13,698.26

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Solution

The fourth proportional to 14,288.74, 21,466.05 and 13,698.26 is: 20,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.74 : 21,466.05 = 13,698.26 : x
  2. Step 2: Convert to fraction form
    14,288.74/21,466.05 = 13,698.26/x
  3. Step 3: Cross multiply
    14,288.74x = 21,466.05 × 13,698.26
  4. Step 4: Simplify right side
    14,288.74x = 294,047,534.07
  5. Step 5: Solve for x
    x = 294,047,534.07/14,288.74
  6. Step 6: Final answer
    x = 20,578.97

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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.