Home / 13,533.19-18,678.26-8,501.87

Finding the Fourth Proportional to 13,533.19, 18,678.26 and 8,501.87

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Solution

The fourth proportional to 13,533.19, 18,678.26 and 8,501.87 is: 11,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.19 : 18,678.26 = 8,501.87 : x
  2. Step 2: Convert to fraction form
    13,533.19/18,678.26 = 8,501.87/x
  3. Step 3: Cross multiply
    13,533.19x = 18,678.26 × 8,501.87
  4. Step 4: Simplify right side
    13,533.19x = 158,800,138.35
  5. Step 5: Solve for x
    x = 158,800,138.35/13,533.19
  6. Step 6: Final answer
    x = 11,734.12

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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.