Home / 13,429.66-20,125.04-7,573.82

Finding the Fourth Proportional to 13,429.66, 20,125.04 and 7,573.82

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Solution

The fourth proportional to 13,429.66, 20,125.04 and 7,573.82 is: 11,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.66 : 20,125.04 = 7,573.82 : x
  2. Step 2: Convert to fraction form
    13,429.66/20,125.04 = 7,573.82/x
  3. Step 3: Cross multiply
    13,429.66x = 20,125.04 × 7,573.82
  4. Step 4: Simplify right side
    13,429.66x = 152,423,430.45
  5. Step 5: Solve for x
    x = 152,423,430.45/13,429.66
  6. Step 6: Final answer
    x = 11,349.76

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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.