Home / 15,887.13-23,830.69-4,200.34

Finding the Fourth Proportional to 15,887.13, 23,830.69 and 4,200.34

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Solution

The fourth proportional to 15,887.13, 23,830.69 and 4,200.34 is: 6,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.13 : 23,830.69 = 4,200.34 : x
  2. Step 2: Convert to fraction form
    15,887.13/23,830.69 = 4,200.34/x
  3. Step 3: Cross multiply
    15,887.13x = 23,830.69 × 4,200.34
  4. Step 4: Simplify right side
    15,887.13x = 100,097,000.43
  5. Step 5: Solve for x
    x = 100,097,000.43/15,887.13
  6. Step 6: Final answer
    x = 6,300.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.