Home / 13,589.60-18,705.36-10,046.64

Finding the Fourth Proportional to 13,589.60, 18,705.36 and 10,046.64

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Solution

The fourth proportional to 13,589.60, 18,705.36 and 10,046.64 is: 13,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.60 : 18,705.36 = 10,046.64 : x
  2. Step 2: Convert to fraction form
    13,589.60/18,705.36 = 10,046.64/x
  3. Step 3: Cross multiply
    13,589.60x = 18,705.36 × 10,046.64
  4. Step 4: Simplify right side
    13,589.60x = 187,926,017.99
  5. Step 5: Solve for x
    x = 187,926,017.99/13,589.60
  6. Step 6: Final answer
    x = 13,828.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.