Home / 15,673.64-23,570.12-12,518.15

Finding the Fourth Proportional to 15,673.64, 23,570.12 and 12,518.15

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Solution

The fourth proportional to 15,673.64, 23,570.12 and 12,518.15 is: 18,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.64 : 23,570.12 = 12,518.15 : x
  2. Step 2: Convert to fraction form
    15,673.64/23,570.12 = 12,518.15/x
  3. Step 3: Cross multiply
    15,673.64x = 23,570.12 × 12,518.15
  4. Step 4: Simplify right side
    15,673.64x = 295,054,211.12
  5. Step 5: Solve for x
    x = 295,054,211.12/15,673.64
  6. Step 6: Final answer
    x = 18,824.87

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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.