Home / 15,982.08-23,967.36-4,886.40

Finding the Fourth Proportional to 15,982.08, 23,967.36 and 4,886.40

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Solution

The fourth proportional to 15,982.08, 23,967.36 and 4,886.40 is: 7,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.08 : 23,967.36 = 4,886.40 : x
  2. Step 2: Convert to fraction form
    15,982.08/23,967.36 = 4,886.40/x
  3. Step 3: Cross multiply
    15,982.08x = 23,967.36 × 4,886.40
  4. Step 4: Simplify right side
    15,982.08x = 117,114,107.90
  5. Step 5: Solve for x
    x = 117,114,107.90/15,982.08
  6. Step 6: Final answer
    x = 7,327.84

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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.