Home / 22,364.47-30,860.95-12,292.80

Finding the Fourth Proportional to 22,364.47, 30,860.95 and 12,292.80

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Solution

The fourth proportional to 22,364.47, 30,860.95 and 12,292.80 is: 16,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.47 : 30,860.95 = 12,292.80 : x
  2. Step 2: Convert to fraction form
    22,364.47/30,860.95 = 12,292.80/x
  3. Step 3: Cross multiply
    22,364.47x = 30,860.95 × 12,292.80
  4. Step 4: Simplify right side
    22,364.47x = 379,367,486.16
  5. Step 5: Solve for x
    x = 379,367,486.16/22,364.47
  6. Step 6: Final answer
    x = 16,962.95

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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.