Home / 10,443.23-14,403.26-9,181.58

Finding the Fourth Proportional to 10,443.23, 14,403.26 and 9,181.58

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Solution

The fourth proportional to 10,443.23, 14,403.26 and 9,181.58 is: 12,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.23 : 14,403.26 = 9,181.58 : x
  2. Step 2: Convert to fraction form
    10,443.23/14,403.26 = 9,181.58/x
  3. Step 3: Cross multiply
    10,443.23x = 14,403.26 × 9,181.58
  4. Step 4: Simplify right side
    10,443.23x = 132,244,638.04
  5. Step 5: Solve for x
    x = 132,244,638.04/10,443.23
  6. Step 6: Final answer
    x = 12,663.20

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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.