Home / 14,291.70-21,437.55-3,903.45

Finding the Fourth Proportional to 14,291.70, 21,437.55 and 3,903.45

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Solution

The fourth proportional to 14,291.70, 21,437.55 and 3,903.45 is: 5,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.70 : 21,437.55 = 3,903.45 : x
  2. Step 2: Convert to fraction form
    14,291.70/21,437.55 = 3,903.45/x
  3. Step 3: Cross multiply
    14,291.70x = 21,437.55 × 3,903.45
  4. Step 4: Simplify right side
    14,291.70x = 83,680,404.55
  5. Step 5: Solve for x
    x = 83,680,404.55/14,291.70
  6. Step 6: Final answer
    x = 5,855.18

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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.