Home / 13,289.64-18,319.66-10,927.68

Finding the Fourth Proportional to 13,289.64, 18,319.66 and 10,927.68

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Solution

The fourth proportional to 13,289.64, 18,319.66 and 10,927.68 is: 15,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.64 : 18,319.66 = 10,927.68 : x
  2. Step 2: Convert to fraction form
    13,289.64/18,319.66 = 10,927.68/x
  3. Step 3: Cross multiply
    13,289.64x = 18,319.66 × 10,927.68
  4. Step 4: Simplify right side
    13,289.64x = 200,191,382.19
  5. Step 5: Solve for x
    x = 200,191,382.19/13,289.64
  6. Step 6: Final answer
    x = 15,063.72

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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.