Home / 12,533.68-18,785.84-6,290.32

Finding the Fourth Proportional to 12,533.68, 18,785.84 and 6,290.32

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Solution

The fourth proportional to 12,533.68, 18,785.84 and 6,290.32 is: 9,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.68 : 18,785.84 = 6,290.32 : x
  2. Step 2: Convert to fraction form
    12,533.68/18,785.84 = 6,290.32/x
  3. Step 3: Cross multiply
    12,533.68x = 18,785.84 × 6,290.32
  4. Step 4: Simplify right side
    12,533.68x = 118,168,945.07
  5. Step 5: Solve for x
    x = 118,168,945.07/12,533.68
  6. Step 6: Final answer
    x = 9,428.11

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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.