Home / 13,188.08-19,785.76-6,606.32

Finding the Fourth Proportional to 13,188.08, 19,785.76 and 6,606.32

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Solution

The fourth proportional to 13,188.08, 19,785.76 and 6,606.32 is: 9,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.08 : 19,785.76 = 6,606.32 : x
  2. Step 2: Convert to fraction form
    13,188.08/19,785.76 = 6,606.32/x
  3. Step 3: Cross multiply
    13,188.08x = 19,785.76 × 6,606.32
  4. Step 4: Simplify right side
    13,188.08x = 130,711,062.00
  5. Step 5: Solve for x
    x = 130,711,062.00/13,188.08
  6. Step 6: Final answer
    x = 9,911.30

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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.