Home / 13,089.03-19,630.79-4,321.95

Finding the Fourth Proportional to 13,089.03, 19,630.79 and 4,321.95

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Solution

The fourth proportional to 13,089.03, 19,630.79 and 4,321.95 is: 6,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.03 : 19,630.79 = 4,321.95 : x
  2. Step 2: Convert to fraction form
    13,089.03/19,630.79 = 4,321.95/x
  3. Step 3: Cross multiply
    13,089.03x = 19,630.79 × 4,321.95
  4. Step 4: Simplify right side
    13,089.03x = 84,843,271.23
  5. Step 5: Solve for x
    x = 84,843,271.23/13,089.03
  6. Step 6: Final answer
    x = 6,482.01

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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.