Home / 14,915.36-20,582.64-8,200.59

Finding the Fourth Proportional to 14,915.36, 20,582.64 and 8,200.59

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Solution

The fourth proportional to 14,915.36, 20,582.64 and 8,200.59 is: 11,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.36 : 20,582.64 = 8,200.59 : x
  2. Step 2: Convert to fraction form
    14,915.36/20,582.64 = 8,200.59/x
  3. Step 3: Cross multiply
    14,915.36x = 20,582.64 × 8,200.59
  4. Step 4: Simplify right side
    14,915.36x = 168,789,688.84
  5. Step 5: Solve for x
    x = 168,789,688.84/14,915.36
  6. Step 6: Final answer
    x = 11,316.50

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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.