Home / 14,384.88-19,843.56-9,342.36

Finding the Fourth Proportional to 14,384.88, 19,843.56 and 9,342.36

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Solution

The fourth proportional to 14,384.88, 19,843.56 and 9,342.36 is: 12,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.88 : 19,843.56 = 9,342.36 : x
  2. Step 2: Convert to fraction form
    14,384.88/19,843.56 = 9,342.36/x
  3. Step 3: Cross multiply
    14,384.88x = 19,843.56 × 9,342.36
  4. Step 4: Simplify right side
    14,384.88x = 185,385,681.20
  5. Step 5: Solve for x
    x = 185,385,681.20/14,384.88
  6. Step 6: Final answer
    x = 12,887.54

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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.