Home / 14,322.55-21,458.40-5,984.21

Finding the Fourth Proportional to 14,322.55, 21,458.40 and 5,984.21

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Solution

The fourth proportional to 14,322.55, 21,458.40 and 5,984.21 is: 8,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.55 : 21,458.40 = 5,984.21 : x
  2. Step 2: Convert to fraction form
    14,322.55/21,458.40 = 5,984.21/x
  3. Step 3: Cross multiply
    14,322.55x = 21,458.40 × 5,984.21
  4. Step 4: Simplify right side
    14,322.55x = 128,411,571.86
  5. Step 5: Solve for x
    x = 128,411,571.86/14,322.55
  6. Step 6: Final answer
    x = 8,965.69

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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.