Home / 13,541.22-20,312.37-4,774.86

Finding the Fourth Proportional to 13,541.22, 20,312.37 and 4,774.86

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Solution

The fourth proportional to 13,541.22, 20,312.37 and 4,774.86 is: 7,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.22 : 20,312.37 = 4,774.86 : x
  2. Step 2: Convert to fraction form
    13,541.22/20,312.37 = 4,774.86/x
  3. Step 3: Cross multiply
    13,541.22x = 20,312.37 × 4,774.86
  4. Step 4: Simplify right side
    13,541.22x = 96,988,723.02
  5. Step 5: Solve for x
    x = 96,988,723.02/13,541.22
  6. Step 6: Final answer
    x = 7,162.48

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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.