Home / 19,639.66-27,095.16-13,972.63

Finding the Fourth Proportional to 19,639.66, 27,095.16 and 13,972.63

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Solution

The fourth proportional to 19,639.66, 27,095.16 and 13,972.63 is: 19,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.66 : 27,095.16 = 13,972.63 : x
  2. Step 2: Convert to fraction form
    19,639.66/27,095.16 = 13,972.63/x
  3. Step 3: Cross multiply
    19,639.66x = 27,095.16 × 13,972.63
  4. Step 4: Simplify right side
    19,639.66x = 378,590,645.47
  5. Step 5: Solve for x
    x = 378,590,645.47/19,639.66
  6. Step 6: Final answer
    x = 19,276.84

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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.