Home / 10,431.00-14,394.80-5,650.92

Finding the Fourth Proportional to 10,431.00, 14,394.80 and 5,650.92

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Solution

The fourth proportional to 10,431.00, 14,394.80 and 5,650.92 is: 7,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.00 : 14,394.80 = 5,650.92 : x
  2. Step 2: Convert to fraction form
    10,431.00/14,394.80 = 5,650.92/x
  3. Step 3: Cross multiply
    10,431.00x = 14,394.80 × 5,650.92
  4. Step 4: Simplify right side
    10,431.00x = 81,343,762.99
  5. Step 5: Solve for x
    x = 81,343,762.99/10,431.00
  6. Step 6: Final answer
    x = 7,798.27

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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.