Home / 13,246.40-19,869.60-4,012.40

Finding the Fourth Proportional to 13,246.40, 19,869.60 and 4,012.40

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Solution

The fourth proportional to 13,246.40, 19,869.60 and 4,012.40 is: 6,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.40 : 19,869.60 = 4,012.40 : x
  2. Step 2: Convert to fraction form
    13,246.40/19,869.60 = 4,012.40/x
  3. Step 3: Cross multiply
    13,246.40x = 19,869.60 × 4,012.40
  4. Step 4: Simplify right side
    13,246.40x = 79,724,783.04
  5. Step 5: Solve for x
    x = 79,724,783.04/13,246.40
  6. Step 6: Final answer
    x = 6,018.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.