Home / 21,265.25-29,345.81-11,704.93

Finding the Fourth Proportional to 21,265.25, 29,345.81 and 11,704.93

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Solution

The fourth proportional to 21,265.25, 29,345.81 and 11,704.93 is: 16,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.25 : 29,345.81 = 11,704.93 : x
  2. Step 2: Convert to fraction form
    21,265.25/29,345.81 = 11,704.93/x
  3. Step 3: Cross multiply
    21,265.25x = 29,345.81 × 11,704.93
  4. Step 4: Simplify right side
    21,265.25x = 343,490,549.22
  5. Step 5: Solve for x
    x = 343,490,549.22/21,265.25
  6. Step 6: Final answer
    x = 16,152.67

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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.