Home / 18,970.40-26,179.13-10,586.90

Finding the Fourth Proportional to 18,970.40, 26,179.13 and 10,586.90

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Solution

The fourth proportional to 18,970.40, 26,179.13 and 10,586.90 is: 14,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.40 : 26,179.13 = 10,586.90 : x
  2. Step 2: Convert to fraction form
    18,970.40/26,179.13 = 10,586.90/x
  3. Step 3: Cross multiply
    18,970.40x = 26,179.13 × 10,586.90
  4. Step 4: Simplify right side
    18,970.40x = 277,155,923.31
  5. Step 5: Solve for x
    x = 277,155,923.31/18,970.40
  6. Step 6: Final answer
    x = 14,609.91

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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.