Home / 13,346.93-20,013.60-4,459.07

Finding the Fourth Proportional to 13,346.93, 20,013.60 and 4,459.07

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Solution

The fourth proportional to 13,346.93, 20,013.60 and 4,459.07 is: 6,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.93 : 20,013.60 = 4,459.07 : x
  2. Step 2: Convert to fraction form
    13,346.93/20,013.60 = 4,459.07/x
  3. Step 3: Cross multiply
    13,346.93x = 20,013.60 × 4,459.07
  4. Step 4: Simplify right side
    13,346.93x = 89,242,043.35
  5. Step 5: Solve for x
    x = 89,242,043.35/13,346.93
  6. Step 6: Final answer
    x = 6,686.33

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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.