Home / 11,968.51-16,518.52-9,130.53

Finding the Fourth Proportional to 11,968.51, 16,518.52 and 9,130.53

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Solution

The fourth proportional to 11,968.51, 16,518.52 and 9,130.53 is: 12,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.51 : 16,518.52 = 9,130.53 : x
  2. Step 2: Convert to fraction form
    11,968.51/16,518.52 = 9,130.53/x
  3. Step 3: Cross multiply
    11,968.51x = 16,518.52 × 9,130.53
  4. Step 4: Simplify right side
    11,968.51x = 150,822,842.42
  5. Step 5: Solve for x
    x = 150,822,842.42/11,968.51
  6. Step 6: Final answer
    x = 12,601.64

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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.