Home / 11,586.08-15,984.60-7,609.34

Finding the Fourth Proportional to 11,586.08, 15,984.60 and 7,609.34

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Solution

The fourth proportional to 11,586.08, 15,984.60 and 7,609.34 is: 10,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.08 : 15,984.60 = 7,609.34 : x
  2. Step 2: Convert to fraction form
    11,586.08/15,984.60 = 7,609.34/x
  3. Step 3: Cross multiply
    11,586.08x = 15,984.60 × 7,609.34
  4. Step 4: Simplify right side
    11,586.08x = 121,632,256.16
  5. Step 5: Solve for x
    x = 121,632,256.16/11,586.08
  6. Step 6: Final answer
    x = 10,498.14

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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.