Home / 16,931.05-23,363.93-9,377.26

Finding the Fourth Proportional to 16,931.05, 23,363.93 and 9,377.26

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Solution

The fourth proportional to 16,931.05, 23,363.93 and 9,377.26 is: 12,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.05 : 23,363.93 = 9,377.26 : x
  2. Step 2: Convert to fraction form
    16,931.05/23,363.93 = 9,377.26/x
  3. Step 3: Cross multiply
    16,931.05x = 23,363.93 × 9,377.26
  4. Step 4: Simplify right side
    16,931.05x = 219,089,611.27
  5. Step 5: Solve for x
    x = 219,089,611.27/16,931.05
  6. Step 6: Final answer
    x = 12,940.11

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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.