Home / 19,000.81-28,506.93-13,464.82

Finding the Fourth Proportional to 19,000.81, 28,506.93 and 13,464.82

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Solution

The fourth proportional to 19,000.81, 28,506.93 and 13,464.82 is: 20,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.81 : 28,506.93 = 13,464.82 : x
  2. Step 2: Convert to fraction form
    19,000.81/28,506.93 = 13,464.82/x
  3. Step 3: Cross multiply
    19,000.81x = 28,506.93 × 13,464.82
  4. Step 4: Simplify right side
    19,000.81x = 383,840,681.20
  5. Step 5: Solve for x
    x = 383,840,681.20/19,000.81
  6. Step 6: Final answer
    x = 20,201.28

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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.