Home / 15,693.23-21,656.75-8,523.18

Finding the Fourth Proportional to 15,693.23, 21,656.75 and 8,523.18

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Solution

The fourth proportional to 15,693.23, 21,656.75 and 8,523.18 is: 11,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.23 : 21,656.75 = 8,523.18 : x
  2. Step 2: Convert to fraction form
    15,693.23/21,656.75 = 8,523.18/x
  3. Step 3: Cross multiply
    15,693.23x = 21,656.75 × 8,523.18
  4. Step 4: Simplify right side
    15,693.23x = 184,584,335.85
  5. Step 5: Solve for x
    x = 184,584,335.85/15,693.23
  6. Step 6: Final answer
    x = 11,762.03

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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.