Home / 11,643.29-17,385.74-10,985.52

Finding the Fourth Proportional to 11,643.29, 17,385.74 and 10,985.52

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Solution

The fourth proportional to 11,643.29, 17,385.74 and 10,985.52 is: 16,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.29 : 17,385.74 = 10,985.52 : x
  2. Step 2: Convert to fraction form
    11,643.29/17,385.74 = 10,985.52/x
  3. Step 3: Cross multiply
    11,643.29x = 17,385.74 × 10,985.52
  4. Step 4: Simplify right side
    11,643.29x = 190,991,394.48
  5. Step 5: Solve for x
    x = 190,991,394.48/11,643.29
  6. Step 6: Final answer
    x = 16,403.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.