Home / 16,690.12-23,034.99-9,618.82

Finding the Fourth Proportional to 16,690.12, 23,034.99 and 9,618.82

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Solution

The fourth proportional to 16,690.12, 23,034.99 and 9,618.82 is: 13,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.12 : 23,034.99 = 9,618.82 : x
  2. Step 2: Convert to fraction form
    16,690.12/23,034.99 = 9,618.82/x
  3. Step 3: Cross multiply
    16,690.12x = 23,034.99 × 9,618.82
  4. Step 4: Simplify right side
    16,690.12x = 221,569,422.51
  5. Step 5: Solve for x
    x = 221,569,422.51/16,690.12
  6. Step 6: Final answer
    x = 13,275.48

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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.