Home / 21,703.14-29,950.97-12,271.50

Finding the Fourth Proportional to 21,703.14, 29,950.97 and 12,271.50

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Solution

The fourth proportional to 21,703.14, 29,950.97 and 12,271.50 is: 16,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.14 : 29,950.97 = 12,271.50 : x
  2. Step 2: Convert to fraction form
    21,703.14/29,950.97 = 12,271.50/x
  3. Step 3: Cross multiply
    21,703.14x = 29,950.97 × 12,271.50
  4. Step 4: Simplify right side
    21,703.14x = 367,543,267.00
  5. Step 5: Solve for x
    x = 367,543,267.00/21,703.14
  6. Step 6: Final answer
    x = 16,935.03

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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.