Home / 19,737.76-27,240-10,786.62

Finding the Fourth Proportional to 19,737.76, 27,240 and 10,786.62

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Solution

The fourth proportional to 19,737.76, 27,240 and 10,786.62 is: 14,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.76 : 27,240 = 10,786.62 : x
  2. Step 2: Convert to fraction form
    19,737.76/27,240 = 10,786.62/x
  3. Step 3: Cross multiply
    19,737.76x = 27,240 × 10,786.62
  4. Step 4: Simplify right side
    19,737.76x = 293,827,528.80
  5. Step 5: Solve for x
    x = 293,827,528.80/19,737.76
  6. Step 6: Final answer
    x = 14,886.57

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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.