Home / 18,957.78-26,161.86-10,459.65

Finding the Fourth Proportional to 18,957.78, 26,161.86 and 10,459.65

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Solution

The fourth proportional to 18,957.78, 26,161.86 and 10,459.65 is: 14,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.78 : 26,161.86 = 10,459.65 : x
  2. Step 2: Convert to fraction form
    18,957.78/26,161.86 = 10,459.65/x
  3. Step 3: Cross multiply
    18,957.78x = 26,161.86 × 10,459.65
  4. Step 4: Simplify right side
    18,957.78x = 273,643,898.95
  5. Step 5: Solve for x
    x = 273,643,898.95/18,957.78
  6. Step 6: Final answer
    x = 14,434.39

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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.