Home / 13,584.63-20,278.00-12,582.95

Finding the Fourth Proportional to 13,584.63, 20,278.00 and 12,582.95

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Solution

The fourth proportional to 13,584.63, 20,278.00 and 12,582.95 is: 18,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.63 : 20,278.00 = 12,582.95 : x
  2. Step 2: Convert to fraction form
    13,584.63/20,278.00 = 12,582.95/x
  3. Step 3: Cross multiply
    13,584.63x = 20,278.00 × 12,582.95
  4. Step 4: Simplify right side
    13,584.63x = 255,156,927.25
  5. Step 5: Solve for x
    x = 255,156,927.25/13,584.63
  6. Step 6: Final answer
    x = 18,782.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.