Home / 13,681.37-20,522.07-4,322.35

Finding the Fourth Proportional to 13,681.37, 20,522.07 and 4,322.35

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Solution

The fourth proportional to 13,681.37, 20,522.07 and 4,322.35 is: 6,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.37 : 20,522.07 = 4,322.35 : x
  2. Step 2: Convert to fraction form
    13,681.37/20,522.07 = 4,322.35/x
  3. Step 3: Cross multiply
    13,681.37x = 20,522.07 × 4,322.35
  4. Step 4: Simplify right side
    13,681.37x = 88,703,569.26
  5. Step 5: Solve for x
    x = 88,703,569.26/13,681.37
  6. Step 6: Final answer
    x = 6,483.53

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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.