Home / 10,431.21-14,387.43-7,599.45

Finding the Fourth Proportional to 10,431.21, 14,387.43 and 7,599.45

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Solution

The fourth proportional to 10,431.21, 14,387.43 and 7,599.45 is: 10,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.21 : 14,387.43 = 7,599.45 : x
  2. Step 2: Convert to fraction form
    10,431.21/14,387.43 = 7,599.45/x
  3. Step 3: Cross multiply
    10,431.21x = 14,387.43 × 7,599.45
  4. Step 4: Simplify right side
    10,431.21x = 109,336,554.91
  5. Step 5: Solve for x
    x = 109,336,554.91/10,431.21
  6. Step 6: Final answer
    x = 10,481.68

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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.