Home / 13,663.74-20,493.81-4,303.80

Finding the Fourth Proportional to 13,663.74, 20,493.81 and 4,303.80

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Solution

The fourth proportional to 13,663.74, 20,493.81 and 4,303.80 is: 6,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.74 : 20,493.81 = 4,303.80 : x
  2. Step 2: Convert to fraction form
    13,663.74/20,493.81 = 4,303.80/x
  3. Step 3: Cross multiply
    13,663.74x = 20,493.81 × 4,303.80
  4. Step 4: Simplify right side
    13,663.74x = 88,201,259.48
  5. Step 5: Solve for x
    x = 88,201,259.48/13,663.74
  6. Step 6: Final answer
    x = 6,455.13

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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.