Home / 13,973.90-20,956.40-4,612.18

Finding the Fourth Proportional to 13,973.90, 20,956.40 and 4,612.18

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Solution

The fourth proportional to 13,973.90, 20,956.40 and 4,612.18 is: 6,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.90 : 20,956.40 = 4,612.18 : x
  2. Step 2: Convert to fraction form
    13,973.90/20,956.40 = 4,612.18/x
  3. Step 3: Cross multiply
    13,973.90x = 20,956.40 × 4,612.18
  4. Step 4: Simplify right side
    13,973.90x = 96,654,665.89
  5. Step 5: Solve for x
    x = 96,654,665.89/13,973.90
  6. Step 6: Final answer
    x = 6,916.80

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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.