Home / 13,265.47-18,303.02-8,544.07

Finding the Fourth Proportional to 13,265.47, 18,303.02 and 8,544.07

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Solution

The fourth proportional to 13,265.47, 18,303.02 and 8,544.07 is: 11,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.47 : 18,303.02 = 8,544.07 : x
  2. Step 2: Convert to fraction form
    13,265.47/18,303.02 = 8,544.07/x
  3. Step 3: Cross multiply
    13,265.47x = 18,303.02 × 8,544.07
  4. Step 4: Simplify right side
    13,265.47x = 156,382,284.09
  5. Step 5: Solve for x
    x = 156,382,284.09/13,265.47
  6. Step 6: Final answer
    x = 11,788.67

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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.