Home / 18,698.02-28,071.52-13,153.98

Finding the Fourth Proportional to 18,698.02, 28,071.52 and 13,153.98

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Solution

The fourth proportional to 18,698.02, 28,071.52 and 13,153.98 is: 19,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.02 : 28,071.52 = 13,153.98 : x
  2. Step 2: Convert to fraction form
    18,698.02/28,071.52 = 13,153.98/x
  3. Step 3: Cross multiply
    18,698.02x = 28,071.52 × 13,153.98
  4. Step 4: Simplify right side
    18,698.02x = 369,252,212.65
  5. Step 5: Solve for x
    x = 369,252,212.65/18,698.02
  6. Step 6: Final answer
    x = 19,748.20

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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.