Home / 13,681.86-20,523.60-4,322.18

Finding the Fourth Proportional to 13,681.86, 20,523.60 and 4,322.18

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Solution

The fourth proportional to 13,681.86, 20,523.60 and 4,322.18 is: 6,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.86 : 20,523.60 = 4,322.18 : x
  2. Step 2: Convert to fraction form
    13,681.86/20,523.60 = 4,322.18/x
  3. Step 3: Cross multiply
    13,681.86x = 20,523.60 × 4,322.18
  4. Step 4: Simplify right side
    13,681.86x = 88,706,693.45
  5. Step 5: Solve for x
    x = 88,706,693.45/13,681.86
  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.