Home / 15,657.84-21,614.60-9,369.04

Finding the Fourth Proportional to 15,657.84, 21,614.60 and 9,369.04

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Solution

The fourth proportional to 15,657.84, 21,614.60 and 9,369.04 is: 12,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.84 : 21,614.60 = 9,369.04 : x
  2. Step 2: Convert to fraction form
    15,657.84/21,614.60 = 9,369.04/x
  3. Step 3: Cross multiply
    15,657.84x = 21,614.60 × 9,369.04
  4. Step 4: Simplify right side
    15,657.84x = 202,508,051.98
  5. Step 5: Solve for x
    x = 202,508,051.98/15,657.84
  6. Step 6: Final answer
    x = 12,933.33

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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.