Home / 15,675.04-21,604.62-14,936.86

Finding the Fourth Proportional to 15,675.04, 21,604.62 and 14,936.86

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Solution

The fourth proportional to 15,675.04, 21,604.62 and 14,936.86 is: 20,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.04 : 21,604.62 = 14,936.86 : x
  2. Step 2: Convert to fraction form
    15,675.04/21,604.62 = 14,936.86/x
  3. Step 3: Cross multiply
    15,675.04x = 21,604.62 × 14,936.86
  4. Step 4: Simplify right side
    15,675.04x = 322,705,184.29
  5. Step 5: Solve for x
    x = 322,705,184.29/15,675.04
  6. Step 6: Final answer
    x = 20,587.20

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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.