Home / 15,395.34-21,244.09-8,682.01

Finding the Fourth Proportional to 15,395.34, 21,244.09 and 8,682.01

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Solution

The fourth proportional to 15,395.34, 21,244.09 and 8,682.01 is: 11,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.34 : 21,244.09 = 8,682.01 : x
  2. Step 2: Convert to fraction form
    15,395.34/21,244.09 = 8,682.01/x
  3. Step 3: Cross multiply
    15,395.34x = 21,244.09 × 8,682.01
  4. Step 4: Simplify right side
    15,395.34x = 184,441,366.41
  5. Step 5: Solve for x
    x = 184,441,366.41/15,395.34
  6. Step 6: Final answer
    x = 11,980.34

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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.