Home / 18,564.81-25,619.09-10,498.35

Finding the Fourth Proportional to 18,564.81, 25,619.09 and 10,498.35

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Solution

The fourth proportional to 18,564.81, 25,619.09 and 10,498.35 is: 14,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.81 : 25,619.09 = 10,498.35 : x
  2. Step 2: Convert to fraction form
    18,564.81/25,619.09 = 10,498.35/x
  3. Step 3: Cross multiply
    18,564.81x = 25,619.09 × 10,498.35
  4. Step 4: Simplify right side
    18,564.81x = 268,958,217.08
  5. Step 5: Solve for x
    x = 268,958,217.08/18,564.81
  6. Step 6: Final answer
    x = 14,487.53

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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.