Home / 18,733.72-25,852.50-10,775.74

Finding the Fourth Proportional to 18,733.72, 25,852.50 and 10,775.74

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Solution

The fourth proportional to 18,733.72, 25,852.50 and 10,775.74 is: 14,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.72 : 25,852.50 = 10,775.74 : x
  2. Step 2: Convert to fraction form
    18,733.72/25,852.50 = 10,775.74/x
  3. Step 3: Cross multiply
    18,733.72x = 25,852.50 × 10,775.74
  4. Step 4: Simplify right side
    18,733.72x = 278,579,818.35
  5. Step 5: Solve for x
    x = 278,579,818.35/18,733.72
  6. Step 6: Final answer
    x = 14,870.50

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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.