Home / 13,068.40-19,592.69-6,499.20

Finding the Fourth Proportional to 13,068.40, 19,592.69 and 6,499.20

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Solution

The fourth proportional to 13,068.40, 19,592.69 and 6,499.20 is: 9,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.40 : 19,592.69 = 6,499.20 : x
  2. Step 2: Convert to fraction form
    13,068.40/19,592.69 = 6,499.20/x
  3. Step 3: Cross multiply
    13,068.40x = 19,592.69 × 6,499.20
  4. Step 4: Simplify right side
    13,068.40x = 127,336,810.85
  5. Step 5: Solve for x
    x = 127,336,810.85/13,068.40
  6. Step 6: Final answer
    x = 9,743.87

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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.