Home / 14,148.12-21,220.02-5,382.99

Finding the Fourth Proportional to 14,148.12, 21,220.02 and 5,382.99

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Solution

The fourth proportional to 14,148.12, 21,220.02 and 5,382.99 is: 8,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.12 : 21,220.02 = 5,382.99 : x
  2. Step 2: Convert to fraction form
    14,148.12/21,220.02 = 5,382.99/x
  3. Step 3: Cross multiply
    14,148.12x = 21,220.02 × 5,382.99
  4. Step 4: Simplify right side
    14,148.12x = 114,227,155.46
  5. Step 5: Solve for x
    x = 114,227,155.46/14,148.12
  6. Step 6: Final answer
    x = 8,073.66

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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.