Home / 15,135.24-20,883.56-8,846.40

Finding the Fourth Proportional to 15,135.24, 20,883.56 and 8,846.40

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Solution

The fourth proportional to 15,135.24, 20,883.56 and 8,846.40 is: 12,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.24 : 20,883.56 = 8,846.40 : x
  2. Step 2: Convert to fraction form
    15,135.24/20,883.56 = 8,846.40/x
  3. Step 3: Cross multiply
    15,135.24x = 20,883.56 × 8,846.40
  4. Step 4: Simplify right side
    15,135.24x = 184,744,325.18
  5. Step 5: Solve for x
    x = 184,744,325.18/15,135.24
  6. Step 6: Final answer
    x = 12,206.24

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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.