Home / 15,483.42-21,372.58-9,195.76

Finding the Fourth Proportional to 15,483.42, 21,372.58 and 9,195.76

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Solution

The fourth proportional to 15,483.42, 21,372.58 and 9,195.76 is: 12,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.42 : 21,372.58 = 9,195.76 : x
  2. Step 2: Convert to fraction form
    15,483.42/21,372.58 = 9,195.76/x
  3. Step 3: Cross multiply
    15,483.42x = 21,372.58 × 9,195.76
  4. Step 4: Simplify right side
    15,483.42x = 196,537,116.26
  5. Step 5: Solve for x
    x = 196,537,116.26/15,483.42
  6. Step 6: Final answer
    x = 12,693.39

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Double scale
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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.