Home / 15,408.07-21,263.04-8,693.52

Finding the Fourth Proportional to 15,408.07, 21,263.04 and 8,693.52

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Solution

The fourth proportional to 15,408.07, 21,263.04 and 8,693.52 is: 11,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.07 : 21,263.04 = 8,693.52 : x
  2. Step 2: Convert to fraction form
    15,408.07/21,263.04 = 8,693.52/x
  3. Step 3: Cross multiply
    15,408.07x = 21,263.04 × 8,693.52
  4. Step 4: Simplify right side
    15,408.07x = 184,850,663.50
  5. Step 5: Solve for x
    x = 184,850,663.50/15,408.07
  6. Step 6: Final answer
    x = 11,997.01

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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.