Home / 14,178.24-21,260.75-4,315.48

Finding the Fourth Proportional to 14,178.24, 21,260.75 and 4,315.48

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Solution

The fourth proportional to 14,178.24, 21,260.75 and 4,315.48 is: 6,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.24 : 21,260.75 = 4,315.48 : x
  2. Step 2: Convert to fraction form
    14,178.24/21,260.75 = 4,315.48/x
  3. Step 3: Cross multiply
    14,178.24x = 21,260.75 × 4,315.48
  4. Step 4: Simplify right side
    14,178.24x = 91,750,266.68
  5. Step 5: Solve for x
    x = 91,750,266.68/14,178.24
  6. Step 6: Final answer
    x = 6,471.20

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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.