Home / 18,495-25,516.86-10,531.59

Finding the Fourth Proportional to 18,495, 25,516.86 and 10,531.59

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Solution

The fourth proportional to 18,495, 25,516.86 and 10,531.59 is: 14,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495 : 25,516.86 = 10,531.59 : x
  2. Step 2: Convert to fraction form
    18,495/25,516.86 = 10,531.59/x
  3. Step 3: Cross multiply
    18,495x = 25,516.86 × 10,531.59
  4. Step 4: Simplify right side
    18,495x = 268,733,107.61
  5. Step 5: Solve for x
    x = 268,733,107.61/18,495
  6. Step 6: Final answer
    x = 14,530.04

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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.