Home / 13,566.06-18,718.83-8,533.26

Finding the Fourth Proportional to 13,566.06, 18,718.83 and 8,533.26

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Solution

The fourth proportional to 13,566.06, 18,718.83 and 8,533.26 is: 11,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.06 : 18,718.83 = 8,533.26 : x
  2. Step 2: Convert to fraction form
    13,566.06/18,718.83 = 8,533.26/x
  3. Step 3: Cross multiply
    13,566.06x = 18,718.83 × 8,533.26
  4. Step 4: Simplify right side
    13,566.06x = 159,732,643.29
  5. Step 5: Solve for x
    x = 159,732,643.29/13,566.06
  6. Step 6: Final answer
    x = 11,774.43

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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.