Home / 19,170.19-26,454.57-10,672.66

Finding the Fourth Proportional to 19,170.19, 26,454.57 and 10,672.66

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Solution

The fourth proportional to 19,170.19, 26,454.57 and 10,672.66 is: 14,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.19 : 26,454.57 = 10,672.66 : x
  2. Step 2: Convert to fraction form
    19,170.19/26,454.57 = 10,672.66/x
  3. Step 3: Cross multiply
    19,170.19x = 26,454.57 × 10,672.66
  4. Step 4: Simplify right side
    19,170.19x = 282,340,631.06
  5. Step 5: Solve for x
    x = 282,340,631.06/19,170.19
  6. Step 6: Final answer
    x = 14,728.11

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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.