Home / 14,652.12-21,973.60-5,290.91

Finding the Fourth Proportional to 14,652.12, 21,973.60 and 5,290.91

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Solution

The fourth proportional to 14,652.12, 21,973.60 and 5,290.91 is: 7,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.12 : 21,973.60 = 5,290.91 : x
  2. Step 2: Convert to fraction form
    14,652.12/21,973.60 = 5,290.91/x
  3. Step 3: Cross multiply
    14,652.12x = 21,973.60 × 5,290.91
  4. Step 4: Simplify right side
    14,652.12x = 116,260,412.96
  5. Step 5: Solve for x
    x = 116,260,412.96/14,652.12
  6. Step 6: Final answer
    x = 7,934.72

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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.