Home / 13,977.04-20,957.52-8,360.32

Finding the Fourth Proportional to 13,977.04, 20,957.52 and 8,360.32

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Solution

The fourth proportional to 13,977.04, 20,957.52 and 8,360.32 is: 12,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.04 : 20,957.52 = 8,360.32 : x
  2. Step 2: Convert to fraction form
    13,977.04/20,957.52 = 8,360.32/x
  3. Step 3: Cross multiply
    13,977.04x = 20,957.52 × 8,360.32
  4. Step 4: Simplify right side
    13,977.04x = 175,211,573.61
  5. Step 5: Solve for x
    x = 175,211,573.61/13,977.04
  6. Step 6: Final answer
    x = 12,535.67

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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.