Home / 18,747.16-25,869.78-10,363

Finding the Fourth Proportional to 18,747.16, 25,869.78 and 10,363

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Solution

The fourth proportional to 18,747.16, 25,869.78 and 10,363 is: 14,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.16 : 25,869.78 = 10,363 : x
  2. Step 2: Convert to fraction form
    18,747.16/25,869.78 = 10,363/x
  3. Step 3: Cross multiply
    18,747.16x = 25,869.78 × 10,363
  4. Step 4: Simplify right side
    18,747.16x = 268,088,530.14
  5. Step 5: Solve for x
    x = 268,088,530.14/18,747.16
  6. Step 6: Final answer
    x = 14,300.22

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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.