Home / 15,626.34-21,564.38-8,553.22

Finding the Fourth Proportional to 15,626.34, 21,564.38 and 8,553.22

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Solution

The fourth proportional to 15,626.34, 21,564.38 and 8,553.22 is: 11,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.34 : 21,564.38 = 8,553.22 : x
  2. Step 2: Convert to fraction form
    15,626.34/21,564.38 = 8,553.22/x
  3. Step 3: Cross multiply
    15,626.34x = 21,564.38 × 8,553.22
  4. Step 4: Simplify right side
    15,626.34x = 184,444,886.30
  5. Step 5: Solve for x
    x = 184,444,886.30/15,626.34
  6. Step 6: Final answer
    x = 11,803.46

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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.