Home / 21,242.02-29,313.84-11,810.50

Finding the Fourth Proportional to 21,242.02, 29,313.84 and 11,810.50

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Solution

The fourth proportional to 21,242.02, 29,313.84 and 11,810.50 is: 16,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242.02 : 29,313.84 = 11,810.50 : x
  2. Step 2: Convert to fraction form
    21,242.02/29,313.84 = 11,810.50/x
  3. Step 3: Cross multiply
    21,242.02x = 29,313.84 × 11,810.50
  4. Step 4: Simplify right side
    21,242.02x = 346,211,107.32
  5. Step 5: Solve for x
    x = 346,211,107.32/21,242.02
  6. Step 6: Final answer
    x = 16,298.41

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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.