Home / 14,370.88-21,561.72-5,011.60

Finding the Fourth Proportional to 14,370.88, 21,561.72 and 5,011.60

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Solution

The fourth proportional to 14,370.88, 21,561.72 and 5,011.60 is: 7,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.88 : 21,561.72 = 5,011.60 : x
  2. Step 2: Convert to fraction form
    14,370.88/21,561.72 = 5,011.60/x
  3. Step 3: Cross multiply
    14,370.88x = 21,561.72 × 5,011.60
  4. Step 4: Simplify right side
    14,370.88x = 108,058,715.95
  5. Step 5: Solve for x
    x = 108,058,715.95/14,370.88
  6. Step 6: Final answer
    x = 7,519.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.