Home / 21,962.36-30,322.02-14,422.07

Finding the Fourth Proportional to 21,962.36, 30,322.02 and 14,422.07

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Solution

The fourth proportional to 21,962.36, 30,322.02 and 14,422.07 is: 19,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.36 : 30,322.02 = 14,422.07 : x
  2. Step 2: Convert to fraction form
    21,962.36/30,322.02 = 14,422.07/x
  3. Step 3: Cross multiply
    21,962.36x = 30,322.02 × 14,422.07
  4. Step 4: Simplify right side
    21,962.36x = 437,306,294.98
  5. Step 5: Solve for x
    x = 437,306,294.98/21,962.36
  6. Step 6: Final answer
    x = 19,911.63

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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.