Home / 21,860.15-32,790.22-6,277.77

Finding the Fourth Proportional to 21,860.15, 32,790.22 and 6,277.77

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Solution

The fourth proportional to 21,860.15, 32,790.22 and 6,277.77 is: 9,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.15 : 32,790.22 = 6,277.77 : x
  2. Step 2: Convert to fraction form
    21,860.15/32,790.22 = 6,277.77/x
  3. Step 3: Cross multiply
    21,860.15x = 32,790.22 × 6,277.77
  4. Step 4: Simplify right side
    21,860.15x = 205,849,443.71
  5. Step 5: Solve for x
    x = 205,849,443.71/21,860.15
  6. Step 6: Final answer
    x = 9,416.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.