Home / 13,384.58-20,068.76-5,987.66

Finding the Fourth Proportional to 13,384.58, 20,068.76 and 5,987.66

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Solution

The fourth proportional to 13,384.58, 20,068.76 and 5,987.66 is: 8,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.58 : 20,068.76 = 5,987.66 : x
  2. Step 2: Convert to fraction form
    13,384.58/20,068.76 = 5,987.66/x
  3. Step 3: Cross multiply
    13,384.58x = 20,068.76 × 5,987.66
  4. Step 4: Simplify right side
    13,384.58x = 120,164,826.13
  5. Step 5: Solve for x
    x = 120,164,826.13/13,384.58
  6. Step 6: Final answer
    x = 8,977.86

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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.