Home / 13,810.93-20,718.45-4,447.87

Finding the Fourth Proportional to 13,810.93, 20,718.45 and 4,447.87

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Solution

The fourth proportional to 13,810.93, 20,718.45 and 4,447.87 is: 6,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.93 : 20,718.45 = 4,447.87 : x
  2. Step 2: Convert to fraction form
    13,810.93/20,718.45 = 4,447.87/x
  3. Step 3: Cross multiply
    13,810.93x = 20,718.45 × 4,447.87
  4. Step 4: Simplify right side
    13,810.93x = 92,152,920.41
  5. Step 5: Solve for x
    x = 92,152,920.41/13,810.93
  6. Step 6: Final answer
    x = 6,672.46

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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.