Home / 21,700.93-29,950.04-12,141.35

Finding the Fourth Proportional to 21,700.93, 29,950.04 and 12,141.35

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Solution

The fourth proportional to 21,700.93, 29,950.04 and 12,141.35 is: 16,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.93 : 29,950.04 = 12,141.35 : x
  2. Step 2: Convert to fraction form
    21,700.93/29,950.04 = 12,141.35/x
  3. Step 3: Cross multiply
    21,700.93x = 29,950.04 × 12,141.35
  4. Step 4: Simplify right side
    21,700.93x = 363,634,023.38
  5. Step 5: Solve for x
    x = 363,634,023.38/21,700.93
  6. Step 6: Final answer
    x = 16,756.61

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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.