Home / 14,253.40-21,374.64-5,483.56

Finding the Fourth Proportional to 14,253.40, 21,374.64 and 5,483.56

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Solution

The fourth proportional to 14,253.40, 21,374.64 and 5,483.56 is: 8,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.40 : 21,374.64 = 5,483.56 : x
  2. Step 2: Convert to fraction form
    14,253.40/21,374.64 = 5,483.56/x
  3. Step 3: Cross multiply
    14,253.40x = 21,374.64 × 5,483.56
  4. Step 4: Simplify right side
    14,253.40x = 117,209,120.92
  5. Step 5: Solve for x
    x = 117,209,120.92/14,253.40
  6. Step 6: Final answer
    x = 8,223.24

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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.