Home / 15,702.02-21,668.19-8,628.02

Finding the Fourth Proportional to 15,702.02, 21,668.19 and 8,628.02

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Solution

The fourth proportional to 15,702.02, 21,668.19 and 8,628.02 is: 11,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,702.02 : 21,668.19 = 8,628.02 : x
  2. Step 2: Convert to fraction form
    15,702.02/21,668.19 = 8,628.02/x
  3. Step 3: Cross multiply
    15,702.02x = 21,668.19 × 8,628.02
  4. Step 4: Simplify right side
    15,702.02x = 186,953,468.34
  5. Step 5: Solve for x
    x = 186,953,468.34/15,702.02
  6. Step 6: Final answer
    x = 11,906.34

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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.