Home / 14,308.62-21,437.18-13,464.55

Finding the Fourth Proportional to 14,308.62, 21,437.18 and 13,464.55

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Solution

The fourth proportional to 14,308.62, 21,437.18 and 13,464.55 is: 20,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.62 : 21,437.18 = 13,464.55 : x
  2. Step 2: Convert to fraction form
    14,308.62/21,437.18 = 13,464.55/x
  3. Step 3: Cross multiply
    14,308.62x = 21,437.18 × 13,464.55
  4. Step 4: Simplify right side
    14,308.62x = 288,641,935.24
  5. Step 5: Solve for x
    x = 288,641,935.24/14,308.62
  6. Step 6: Final answer
    x = 20,172.60

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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.