Home / 14,965.88-20,635.80-9,581.18

Finding the Fourth Proportional to 14,965.88, 20,635.80 and 9,581.18

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Solution

The fourth proportional to 14,965.88, 20,635.80 and 9,581.18 is: 13,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.88 : 20,635.80 = 9,581.18 : x
  2. Step 2: Convert to fraction form
    14,965.88/20,635.80 = 9,581.18/x
  3. Step 3: Cross multiply
    14,965.88x = 20,635.80 × 9,581.18
  4. Step 4: Simplify right side
    14,965.88x = 197,715,314.24
  5. Step 5: Solve for x
    x = 197,715,314.24/14,965.88
  6. Step 6: Final answer
    x = 13,211.07

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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.