Home / 15,412.17-21,269.34-8,697.41

Finding the Fourth Proportional to 15,412.17, 21,269.34 and 8,697.41

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Solution

The fourth proportional to 15,412.17, 21,269.34 and 8,697.41 is: 12,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.17 : 21,269.34 = 8,697.41 : x
  2. Step 2: Convert to fraction form
    15,412.17/21,269.34 = 8,697.41/x
  3. Step 3: Cross multiply
    15,412.17x = 21,269.34 × 8,697.41
  4. Step 4: Simplify right side
    15,412.17x = 184,988,170.41
  5. Step 5: Solve for x
    x = 184,988,170.41/15,412.17
  6. Step 6: Final answer
    x = 12,002.73

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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.