Home / 11,615.07-16,032.89-6,899.32

Finding the Fourth Proportional to 11,615.07, 16,032.89 and 6,899.32

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Solution

The fourth proportional to 11,615.07, 16,032.89 and 6,899.32 is: 9,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.07 : 16,032.89 = 6,899.32 : x
  2. Step 2: Convert to fraction form
    11,615.07/16,032.89 = 6,899.32/x
  3. Step 3: Cross multiply
    11,615.07x = 16,032.89 × 6,899.32
  4. Step 4: Simplify right side
    11,615.07x = 110,616,038.63
  5. Step 5: Solve for x
    x = 110,616,038.63/11,615.07
  6. Step 6: Final answer
    x = 9,523.49

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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.