Home / 19,303.76-29,004.04-12,286.80

Finding the Fourth Proportional to 19,303.76, 29,004.04 and 12,286.80

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Solution

The fourth proportional to 19,303.76, 29,004.04 and 12,286.80 is: 18,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.76 : 29,004.04 = 12,286.80 : x
  2. Step 2: Convert to fraction form
    19,303.76/29,004.04 = 12,286.80/x
  3. Step 3: Cross multiply
    19,303.76x = 29,004.04 × 12,286.80
  4. Step 4: Simplify right side
    19,303.76x = 356,366,838.67
  5. Step 5: Solve for x
    x = 356,366,838.67/19,303.76
  6. Step 6: Final answer
    x = 18,461.01

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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.