Home / 14,146.96-19,522.60-7,859.20

Finding the Fourth Proportional to 14,146.96, 19,522.60 and 7,859.20

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Solution

The fourth proportional to 14,146.96, 19,522.60 and 7,859.20 is: 10,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.96 : 19,522.60 = 7,859.20 : x
  2. Step 2: Convert to fraction form
    14,146.96/19,522.60 = 7,859.20/x
  3. Step 3: Cross multiply
    14,146.96x = 19,522.60 × 7,859.20
  4. Step 4: Simplify right side
    14,146.96x = 153,432,017.92
  5. Step 5: Solve for x
    x = 153,432,017.92/14,146.96
  6. Step 6: Final answer
    x = 10,845.58

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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.