Home / 18,867.71-26,037.37-10,370.40

Finding the Fourth Proportional to 18,867.71, 26,037.37 and 10,370.40

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Solution

The fourth proportional to 18,867.71, 26,037.37 and 10,370.40 is: 14,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.71 : 26,037.37 = 10,370.40 : x
  2. Step 2: Convert to fraction form
    18,867.71/26,037.37 = 10,370.40/x
  3. Step 3: Cross multiply
    18,867.71x = 26,037.37 × 10,370.40
  4. Step 4: Simplify right side
    18,867.71x = 270,017,941.85
  5. Step 5: Solve for x
    x = 270,017,941.85/18,867.71
  6. Step 6: Final answer
    x = 14,311.11

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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.