Home / 10,402.36-14,351.16-6,416.56

Finding the Fourth Proportional to 10,402.36, 14,351.16 and 6,416.56

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Solution

The fourth proportional to 10,402.36, 14,351.16 and 6,416.56 is: 8,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.36 : 14,351.16 = 6,416.56 : x
  2. Step 2: Convert to fraction form
    10,402.36/14,351.16 = 6,416.56/x
  3. Step 3: Cross multiply
    10,402.36x = 14,351.16 × 6,416.56
  4. Step 4: Simplify right side
    10,402.36x = 92,085,079.21
  5. Step 5: Solve for x
    x = 92,085,079.21/10,402.36
  6. Step 6: Final answer
    x = 8,852.33

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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.