Home / 22,415.12-30,922.48-14,459.91

Finding the Fourth Proportional to 22,415.12, 30,922.48 and 14,459.91

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Solution

The fourth proportional to 22,415.12, 30,922.48 and 14,459.91 is: 19,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.12 : 30,922.48 = 14,459.91 : x
  2. Step 2: Convert to fraction form
    22,415.12/30,922.48 = 14,459.91/x
  3. Step 3: Cross multiply
    22,415.12x = 30,922.48 × 14,459.91
  4. Step 4: Simplify right side
    22,415.12x = 447,136,277.78
  5. Step 5: Solve for x
    x = 447,136,277.78/22,415.12
  6. Step 6: Final answer
    x = 19,947.98

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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.