Home / 10,686.84-16,005.60-7,402.26

Finding the Fourth Proportional to 10,686.84, 16,005.60 and 7,402.26

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Solution

The fourth proportional to 10,686.84, 16,005.60 and 7,402.26 is: 11,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.84 : 16,005.60 = 7,402.26 : x
  2. Step 2: Convert to fraction form
    10,686.84/16,005.60 = 7,402.26/x
  3. Step 3: Cross multiply
    10,686.84x = 16,005.60 × 7,402.26
  4. Step 4: Simplify right side
    10,686.84x = 118,477,612.66
  5. Step 5: Solve for x
    x = 118,477,612.66/10,686.84
  6. Step 6: Final answer
    x = 11,086.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.