Home / 17,656.76-26,484.74-8,889.32

Finding the Fourth Proportional to 17,656.76, 26,484.74 and 8,889.32

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Solution

The fourth proportional to 17,656.76, 26,484.74 and 8,889.32 is: 13,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.76 : 26,484.74 = 8,889.32 : x
  2. Step 2: Convert to fraction form
    17,656.76/26,484.74 = 8,889.32/x
  3. Step 3: Cross multiply
    17,656.76x = 26,484.74 × 8,889.32
  4. Step 4: Simplify right side
    17,656.76x = 235,431,328.98
  5. Step 5: Solve for x
    x = 235,431,328.98/17,656.76
  6. Step 6: Final answer
    x = 13,333.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.