Home / 15,632.36-21,572.72-8,559.44

Finding the Fourth Proportional to 15,632.36, 21,572.72 and 8,559.44

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Solution

The fourth proportional to 15,632.36, 21,572.72 and 8,559.44 is: 11,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.36 : 21,572.72 = 8,559.44 : x
  2. Step 2: Convert to fraction form
    15,632.36/21,572.72 = 8,559.44/x
  3. Step 3: Cross multiply
    15,632.36x = 21,572.72 × 8,559.44
  4. Step 4: Simplify right side
    15,632.36x = 184,650,402.48
  5. Step 5: Solve for x
    x = 184,650,402.48/15,632.36
  6. Step 6: Final answer
    x = 11,812.06

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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.