Home / 11,729.08-17,605.47-10,403.57

Finding the Fourth Proportional to 11,729.08, 17,605.47 and 10,403.57

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Solution

The fourth proportional to 11,729.08, 17,605.47 and 10,403.57 is: 15,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.08 : 17,605.47 = 10,403.57 : x
  2. Step 2: Convert to fraction form
    11,729.08/17,605.47 = 10,403.57/x
  3. Step 3: Cross multiply
    11,729.08x = 17,605.47 × 10,403.57
  4. Step 4: Simplify right side
    11,729.08x = 183,159,690.51
  5. Step 5: Solve for x
    x = 183,159,690.51/11,729.08
  6. Step 6: Final answer
    x = 15,615.86

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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.