Home / 15,292.36-21,102.21-8,577.07

Finding the Fourth Proportional to 15,292.36, 21,102.21 and 8,577.07

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Solution

The fourth proportional to 15,292.36, 21,102.21 and 8,577.07 is: 11,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.36 : 21,102.21 = 8,577.07 : x
  2. Step 2: Convert to fraction form
    15,292.36/21,102.21 = 8,577.07/x
  3. Step 3: Cross multiply
    15,292.36x = 21,102.21 × 8,577.07
  4. Step 4: Simplify right side
    15,292.36x = 180,995,132.32
  5. Step 5: Solve for x
    x = 180,995,132.32/15,292.36
  6. Step 6: Final answer
    x = 11,835.66

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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.