Home / 16,635.99-22,967.19-15,690.12

Finding the Fourth Proportional to 16,635.99, 22,967.19 and 15,690.12

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Solution

The fourth proportional to 16,635.99, 22,967.19 and 15,690.12 is: 21,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635.99 : 22,967.19 = 15,690.12 : x
  2. Step 2: Convert to fraction form
    16,635.99/22,967.19 = 15,690.12/x
  3. Step 3: Cross multiply
    16,635.99x = 22,967.19 × 15,690.12
  4. Step 4: Simplify right side
    16,635.99x = 360,357,967.16
  5. Step 5: Solve for x
    x = 360,357,967.16/16,635.99
  6. Step 6: Final answer
    x = 21,661.35

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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.