Home / 10,207.77-14,076.34-9,612.48

Finding the Fourth Proportional to 10,207.77, 14,076.34 and 9,612.48

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Solution

The fourth proportional to 10,207.77, 14,076.34 and 9,612.48 is: 13,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.77 : 14,076.34 = 9,612.48 : x
  2. Step 2: Convert to fraction form
    10,207.77/14,076.34 = 9,612.48/x
  3. Step 3: Cross multiply
    10,207.77x = 14,076.34 × 9,612.48
  4. Step 4: Simplify right side
    10,207.77x = 135,308,536.72
  5. Step 5: Solve for x
    x = 135,308,536.72/10,207.77
  6. Step 6: Final answer
    x = 13,255.45

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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.