Home / 13,871.50-20,809.98-4,510.92

Finding the Fourth Proportional to 13,871.50, 20,809.98 and 4,510.92

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Solution

The fourth proportional to 13,871.50, 20,809.98 and 4,510.92 is: 6,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.50 : 20,809.98 = 4,510.92 : x
  2. Step 2: Convert to fraction form
    13,871.50/20,809.98 = 4,510.92/x
  3. Step 3: Cross multiply
    13,871.50x = 20,809.98 × 4,510.92
  4. Step 4: Simplify right side
    13,871.50x = 93,872,154.98
  5. Step 5: Solve for x
    x = 93,872,154.98/13,871.50
  6. Step 6: Final answer
    x = 6,767.27

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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.