Home / 13,533.12-20,298.54-4,647.72

Finding the Fourth Proportional to 13,533.12, 20,298.54 and 4,647.72

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Solution

The fourth proportional to 13,533.12, 20,298.54 and 4,647.72 is: 6,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.12 : 20,298.54 = 4,647.72 : x
  2. Step 2: Convert to fraction form
    13,533.12/20,298.54 = 4,647.72/x
  3. Step 3: Cross multiply
    13,533.12x = 20,298.54 × 4,647.72
  4. Step 4: Simplify right side
    13,533.12x = 94,341,930.33
  5. Step 5: Solve for x
    x = 94,341,930.33/13,533.12
  6. Step 6: Final answer
    x = 6,971.19

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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.