Home / 13,273.24-18,307.70-11,501.72

Finding the Fourth Proportional to 13,273.24, 18,307.70 and 11,501.72

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Solution

The fourth proportional to 13,273.24, 18,307.70 and 11,501.72 is: 15,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.24 : 18,307.70 = 11,501.72 : x
  2. Step 2: Convert to fraction form
    13,273.24/18,307.70 = 11,501.72/x
  3. Step 3: Cross multiply
    13,273.24x = 18,307.70 × 11,501.72
  4. Step 4: Simplify right side
    13,273.24x = 210,570,039.24
  5. Step 5: Solve for x
    x = 210,570,039.24/13,273.24
  6. Step 6: Final answer
    x = 15,864.25

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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.