Home / 19,808.53-27,335.98-10,855.83

Finding the Fourth Proportional to 19,808.53, 27,335.98 and 10,855.83

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Solution

The fourth proportional to 19,808.53, 27,335.98 and 10,855.83 is: 14,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.53 : 27,335.98 = 10,855.83 : x
  2. Step 2: Convert to fraction form
    19,808.53/27,335.98 = 10,855.83/x
  3. Step 3: Cross multiply
    19,808.53x = 27,335.98 × 10,855.83
  4. Step 4: Simplify right side
    19,808.53x = 296,754,827.13
  5. Step 5: Solve for x
    x = 296,754,827.13/19,808.53
  6. Step 6: Final answer
    x = 14,981.17

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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.