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Finding the Fourth Proportional to 11,030, 16,545 and 10,476.32

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Solution

The fourth proportional to 11,030, 16,545 and 10,476.32 is: 15,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030 : 16,545 = 10,476.32 : x
  2. Step 2: Convert to fraction form
    11,030/16,545 = 10,476.32/x
  3. Step 3: Cross multiply
    11,030x = 16,545 × 10,476.32
  4. Step 4: Simplify right side
    11,030x = 173,330,714.40
  5. Step 5: Solve for x
    x = 173,330,714.40/11,030
  6. Step 6: Final answer
    x = 15,714.48

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Double scale
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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.