Home / 13,641.03-20,461.55-4,281.77

Finding the Fourth Proportional to 13,641.03, 20,461.55 and 4,281.77

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Solution

The fourth proportional to 13,641.03, 20,461.55 and 4,281.77 is: 6,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.03 : 20,461.55 = 4,281.77 : x
  2. Step 2: Convert to fraction form
    13,641.03/20,461.55 = 4,281.77/x
  3. Step 3: Cross multiply
    13,641.03x = 20,461.55 × 4,281.77
  4. Step 4: Simplify right side
    13,641.03x = 87,611,727.53
  5. Step 5: Solve for x
    x = 87,611,727.53/13,641.03
  6. Step 6: Final answer
    x = 6,422.66

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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.