Home / 12,587.16-18,873.48-5,196.84

Finding the Fourth Proportional to 12,587.16, 18,873.48 and 5,196.84

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Solution

The fourth proportional to 12,587.16, 18,873.48 and 5,196.84 is: 7,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.16 : 18,873.48 = 5,196.84 : x
  2. Step 2: Convert to fraction form
    12,587.16/18,873.48 = 5,196.84/x
  3. Step 3: Cross multiply
    12,587.16x = 18,873.48 × 5,196.84
  4. Step 4: Simplify right side
    12,587.16x = 98,082,455.80
  5. Step 5: Solve for x
    x = 98,082,455.80/12,587.16
  6. Step 6: Final answer
    x = 7,792.26

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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.