Home / 22,235.40-30,684.69-14,280.66

Finding the Fourth Proportional to 22,235.40, 30,684.69 and 14,280.66

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Solution

The fourth proportional to 22,235.40, 30,684.69 and 14,280.66 is: 19,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.40 : 30,684.69 = 14,280.66 : x
  2. Step 2: Convert to fraction form
    22,235.40/30,684.69 = 14,280.66/x
  3. Step 3: Cross multiply
    22,235.40x = 30,684.69 × 14,280.66
  4. Step 4: Simplify right side
    22,235.40x = 438,197,625.10
  5. Step 5: Solve for x
    x = 438,197,625.10/22,235.40
  6. Step 6: Final answer
    x = 19,707.21

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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.