Home / 13,310.04-19,938.33-6,626.40

Finding the Fourth Proportional to 13,310.04, 19,938.33 and 6,626.40

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Solution

The fourth proportional to 13,310.04, 19,938.33 and 6,626.40 is: 9,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.04 : 19,938.33 = 6,626.40 : x
  2. Step 2: Convert to fraction form
    13,310.04/19,938.33 = 6,626.40/x
  3. Step 3: Cross multiply
    13,310.04x = 19,938.33 × 6,626.40
  4. Step 4: Simplify right side
    13,310.04x = 132,119,349.91
  5. Step 5: Solve for x
    x = 132,119,349.91/13,310.04
  6. Step 6: Final answer
    x = 9,926.29

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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.