Home / 18,828.10-25,983.05-10,330.07

Finding the Fourth Proportional to 18,828.10, 25,983.05 and 10,330.07

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Solution

The fourth proportional to 18,828.10, 25,983.05 and 10,330.07 is: 14,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.10 : 25,983.05 = 10,330.07 : x
  2. Step 2: Convert to fraction form
    18,828.10/25,983.05 = 10,330.07/x
  3. Step 3: Cross multiply
    18,828.10x = 25,983.05 × 10,330.07
  4. Step 4: Simplify right side
    18,828.10x = 268,406,592.47
  5. Step 5: Solve for x
    x = 268,406,592.47/18,828.10
  6. Step 6: Final answer
    x = 14,255.64

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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.