Home / 15,595.84-21,515.04-8,968

Finding the Fourth Proportional to 15,595.84, 21,515.04 and 8,968

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Solution

The fourth proportional to 15,595.84, 21,515.04 and 8,968 is: 12,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.84 : 21,515.04 = 8,968 : x
  2. Step 2: Convert to fraction form
    15,595.84/21,515.04 = 8,968/x
  3. Step 3: Cross multiply
    15,595.84x = 21,515.04 × 8,968
  4. Step 4: Simplify right side
    15,595.84x = 192,946,878.72
  5. Step 5: Solve for x
    x = 192,946,878.72/15,595.84
  6. Step 6: Final answer
    x = 12,371.69

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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.