Home / 14,342.98-19,782.33-12,571.51

Finding the Fourth Proportional to 14,342.98, 19,782.33 and 12,571.51

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Solution

The fourth proportional to 14,342.98, 19,782.33 and 12,571.51 is: 17,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.98 : 19,782.33 = 12,571.51 : x
  2. Step 2: Convert to fraction form
    14,342.98/19,782.33 = 12,571.51/x
  3. Step 3: Cross multiply
    14,342.98x = 19,782.33 × 12,571.51
  4. Step 4: Simplify right side
    14,342.98x = 248,693,759.42
  5. Step 5: Solve for x
    x = 248,693,759.42/14,342.98
  6. Step 6: Final answer
    x = 17,339.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.