Home / 12,090.86-16,683.93-7,054.50

Finding the Fourth Proportional to 12,090.86, 16,683.93 and 7,054.50

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Solution

The fourth proportional to 12,090.86, 16,683.93 and 7,054.50 is: 9,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.86 : 16,683.93 = 7,054.50 : x
  2. Step 2: Convert to fraction form
    12,090.86/16,683.93 = 7,054.50/x
  3. Step 3: Cross multiply
    12,090.86x = 16,683.93 × 7,054.50
  4. Step 4: Simplify right side
    12,090.86x = 117,696,784.19
  5. Step 5: Solve for x
    x = 117,696,784.19/12,090.86
  6. Step 6: Final answer
    x = 9,734.36

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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.