Home / 13,153.07-19,729.79-4,388.00

Finding the Fourth Proportional to 13,153.07, 19,729.79 and 4,388.00

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Solution

The fourth proportional to 13,153.07, 19,729.79 and 4,388.00 is: 6,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.07 : 19,729.79 = 4,388.00 : x
  2. Step 2: Convert to fraction form
    13,153.07/19,729.79 = 4,388.00/x
  3. Step 3: Cross multiply
    13,153.07x = 19,729.79 × 4,388.00
  4. Step 4: Simplify right side
    13,153.07x = 86,574,197.93
  5. Step 5: Solve for x
    x = 86,574,197.93/13,153.07
  6. Step 6: Final answer
    x = 6,582.06

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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.