Home / 15,333.99-21,161.13-8,962.26

Finding the Fourth Proportional to 15,333.99, 21,161.13 and 8,962.26

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Solution

The fourth proportional to 15,333.99, 21,161.13 and 8,962.26 is: 12,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.99 : 21,161.13 = 8,962.26 : x
  2. Step 2: Convert to fraction form
    15,333.99/21,161.13 = 8,962.26/x
  3. Step 3: Cross multiply
    15,333.99x = 21,161.13 × 8,962.26
  4. Step 4: Simplify right side
    15,333.99x = 189,651,548.95
  5. Step 5: Solve for x
    x = 189,651,548.95/15,333.99
  6. Step 6: Final answer
    x = 12,368.05

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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.