Home / 21,566.51-29,760.18-12,133.25

Finding the Fourth Proportional to 21,566.51, 29,760.18 and 12,133.25

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Solution

The fourth proportional to 21,566.51, 29,760.18 and 12,133.25 is: 16,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.51 : 29,760.18 = 12,133.25 : x
  2. Step 2: Convert to fraction form
    21,566.51/29,760.18 = 12,133.25/x
  3. Step 3: Cross multiply
    21,566.51x = 29,760.18 × 12,133.25
  4. Step 4: Simplify right side
    21,566.51x = 361,087,703.99
  5. Step 5: Solve for x
    x = 361,087,703.99/21,566.51
  6. Step 6: Final answer
    x = 16,742.98

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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.