Home / 14,159.53-21,238.75-4,298.41

Finding the Fourth Proportional to 14,159.53, 21,238.75 and 4,298.41

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Solution

The fourth proportional to 14,159.53, 21,238.75 and 4,298.41 is: 6,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.53 : 21,238.75 = 4,298.41 : x
  2. Step 2: Convert to fraction form
    14,159.53/21,238.75 = 4,298.41/x
  3. Step 3: Cross multiply
    14,159.53x = 21,238.75 × 4,298.41
  4. Step 4: Simplify right side
    14,159.53x = 91,292,855.39
  5. Step 5: Solve for x
    x = 91,292,855.39/14,159.53
  6. Step 6: Final answer
    x = 6,447.45

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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.