Home / 13,953.24-20,931.58-4,590.85

Finding the Fourth Proportional to 13,953.24, 20,931.58 and 4,590.85

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Solution

The fourth proportional to 13,953.24, 20,931.58 and 4,590.85 is: 6,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.24 : 20,931.58 = 4,590.85 : x
  2. Step 2: Convert to fraction form
    13,953.24/20,931.58 = 4,590.85/x
  3. Step 3: Cross multiply
    13,953.24x = 20,931.58 × 4,590.85
  4. Step 4: Simplify right side
    13,953.24x = 96,093,744.04
  5. Step 5: Solve for x
    x = 96,093,744.04/13,953.24
  6. Step 6: Final answer
    x = 6,886.84

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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.