Home / 15,571.02-21,511.41-10,206.19

Finding the Fourth Proportional to 15,571.02, 21,511.41 and 10,206.19

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Solution

The fourth proportional to 15,571.02, 21,511.41 and 10,206.19 is: 14,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.02 : 21,511.41 = 10,206.19 : x
  2. Step 2: Convert to fraction form
    15,571.02/21,511.41 = 10,206.19/x
  3. Step 3: Cross multiply
    15,571.02x = 21,511.41 × 10,206.19
  4. Step 4: Simplify right side
    15,571.02x = 219,549,537.63
  5. Step 5: Solve for x
    x = 219,549,537.63/15,571.02
  6. Step 6: Final answer
    x = 14,099.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.