Home / 13,344.67-20,018.40-4,580.29

Finding the Fourth Proportional to 13,344.67, 20,018.40 and 4,580.29

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Solution

The fourth proportional to 13,344.67, 20,018.40 and 4,580.29 is: 6,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.67 : 20,018.40 = 4,580.29 : x
  2. Step 2: Convert to fraction form
    13,344.67/20,018.40 = 4,580.29/x
  3. Step 3: Cross multiply
    13,344.67x = 20,018.40 × 4,580.29
  4. Step 4: Simplify right side
    13,344.67x = 91,690,077.34
  5. Step 5: Solve for x
    x = 91,690,077.34/13,344.67
  6. Step 6: Final answer
    x = 6,870.91

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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.