Home / 18,868.56-26,039.08-10,370.90

Finding the Fourth Proportional to 18,868.56, 26,039.08 and 10,370.90

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Solution

The fourth proportional to 18,868.56, 26,039.08 and 10,370.90 is: 14,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.56 : 26,039.08 = 10,370.90 : x
  2. Step 2: Convert to fraction form
    18,868.56/26,039.08 = 10,370.90/x
  3. Step 3: Cross multiply
    18,868.56x = 26,039.08 × 10,370.90
  4. Step 4: Simplify right side
    18,868.56x = 270,048,677.57
  5. Step 5: Solve for x
    x = 270,048,677.57/18,868.56
  6. Step 6: Final answer
    x = 14,312.10

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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.