Home / 15,680.08-23,501.56-6,896.64

Finding the Fourth Proportional to 15,680.08, 23,501.56 and 6,896.64

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Solution

The fourth proportional to 15,680.08, 23,501.56 and 6,896.64 is: 10,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.08 : 23,501.56 = 6,896.64 : x
  2. Step 2: Convert to fraction form
    15,680.08/23,501.56 = 6,896.64/x
  3. Step 3: Cross multiply
    15,680.08x = 23,501.56 × 6,896.64
  4. Step 4: Simplify right side
    15,680.08x = 162,081,798.76
  5. Step 5: Solve for x
    x = 162,081,798.76/15,680.08
  6. Step 6: Final answer
    x = 10,336.80

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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.