Home / 9,845.81-14,764.55-5,402.21

Finding the Fourth Proportional to 9,845.81, 14,764.55 and 5,402.21

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Solution

The fourth proportional to 9,845.81, 14,764.55 and 5,402.21 is: 8,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.81 : 14,764.55 = 5,402.21 : x
  2. Step 2: Convert to fraction form
    9,845.81/14,764.55 = 5,402.21/x
  3. Step 3: Cross multiply
    9,845.81x = 14,764.55 × 5,402.21
  4. Step 4: Simplify right side
    9,845.81x = 79,761,098.82
  5. Step 5: Solve for x
    x = 79,761,098.82/9,845.81
  6. Step 6: Final answer
    x = 8,101.02

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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.