Home / 15,360.06-21,198.93-8,647.00

Finding the Fourth Proportional to 15,360.06, 21,198.93 and 8,647.00

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Solution

The fourth proportional to 15,360.06, 21,198.93 and 8,647.00 is: 11,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.06 : 21,198.93 = 8,647.00 : x
  2. Step 2: Convert to fraction form
    15,360.06/21,198.93 = 8,647.00/x
  3. Step 3: Cross multiply
    15,360.06x = 21,198.93 × 8,647.00
  4. Step 4: Simplify right side
    15,360.06x = 183,307,230.17
  5. Step 5: Solve for x
    x = 183,307,230.17/15,360.06
  6. Step 6: Final answer
    x = 11,934.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.