Home / 19,643.30-27,107.52-10,690.70

Finding the Fourth Proportional to 19,643.30, 27,107.52 and 10,690.70

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Solution

The fourth proportional to 19,643.30, 27,107.52 and 10,690.70 is: 14,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.30 : 27,107.52 = 10,690.70 : x
  2. Step 2: Convert to fraction form
    19,643.30/27,107.52 = 10,690.70/x
  3. Step 3: Cross multiply
    19,643.30x = 27,107.52 × 10,690.70
  4. Step 4: Simplify right side
    19,643.30x = 289,798,364.06
  5. Step 5: Solve for x
    x = 289,798,364.06/19,643.30
  6. Step 6: Final answer
    x = 14,753.04

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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.