Home / 11,148.09-16,701.63-6,987.32

Finding the Fourth Proportional to 11,148.09, 16,701.63 and 6,987.32

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Solution

The fourth proportional to 11,148.09, 16,701.63 and 6,987.32 is: 10,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.09 : 16,701.63 = 6,987.32 : x
  2. Step 2: Convert to fraction form
    11,148.09/16,701.63 = 6,987.32/x
  3. Step 3: Cross multiply
    11,148.09x = 16,701.63 × 6,987.32
  4. Step 4: Simplify right side
    11,148.09x = 116,699,549.82
  5. Step 5: Solve for x
    x = 116,699,549.82/11,148.09
  6. Step 6: Final answer
    x = 10,468.12

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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.