Home / 13,501.40-20,219.70-6,567.80

Finding the Fourth Proportional to 13,501.40, 20,219.70 and 6,567.80

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Solution

The fourth proportional to 13,501.40, 20,219.70 and 6,567.80 is: 9,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.40 : 20,219.70 = 6,567.80 : x
  2. Step 2: Convert to fraction form
    13,501.40/20,219.70 = 6,567.80/x
  3. Step 3: Cross multiply
    13,501.40x = 20,219.70 × 6,567.80
  4. Step 4: Simplify right side
    13,501.40x = 132,798,945.66
  5. Step 5: Solve for x
    x = 132,798,945.66/13,501.40
  6. Step 6: Final answer
    x = 9,835.94

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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.