Home / 13,401.76-20,103.60-4,637.92

Finding the Fourth Proportional to 13,401.76, 20,103.60 and 4,637.92

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Solution

The fourth proportional to 13,401.76, 20,103.60 and 4,637.92 is: 6,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.76 : 20,103.60 = 4,637.92 : x
  2. Step 2: Convert to fraction form
    13,401.76/20,103.60 = 4,637.92/x
  3. Step 3: Cross multiply
    13,401.76x = 20,103.60 × 4,637.92
  4. Step 4: Simplify right side
    13,401.76x = 93,238,888.51
  5. Step 5: Solve for x
    x = 93,238,888.51/13,401.76
  6. Step 6: Final answer
    x = 6,957.21

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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.