Home / 14,254.30-21,359.58-8,699.32

Finding the Fourth Proportional to 14,254.30, 21,359.58 and 8,699.32

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Solution

The fourth proportional to 14,254.30, 21,359.58 and 8,699.32 is: 13,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.30 : 21,359.58 = 8,699.32 : x
  2. Step 2: Convert to fraction form
    14,254.30/21,359.58 = 8,699.32/x
  3. Step 3: Cross multiply
    14,254.30x = 21,359.58 × 8,699.32
  4. Step 4: Simplify right side
    14,254.30x = 185,813,821.49
  5. Step 5: Solve for x
    x = 185,813,821.49/14,254.30
  6. Step 6: Final answer
    x = 13,035.63

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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.