Home / 9,140.48-13,676.16-8,587.52

Finding the Fourth Proportional to 9,140.48, 13,676.16 and 8,587.52

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Solution

The fourth proportional to 9,140.48, 13,676.16 and 8,587.52 is: 12,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.48 : 13,676.16 = 8,587.52 : x
  2. Step 2: Convert to fraction form
    9,140.48/13,676.16 = 8,587.52/x
  3. Step 3: Cross multiply
    9,140.48x = 13,676.16 × 8,587.52
  4. Step 4: Simplify right side
    9,140.48x = 117,444,297.52
  5. Step 5: Solve for x
    x = 117,444,297.52/9,140.48
  6. Step 6: Final answer
    x = 12,848.81

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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.