Home / 13,152.06-19,711.65-6,580.11

Finding the Fourth Proportional to 13,152.06, 19,711.65 and 6,580.11

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Solution

The fourth proportional to 13,152.06, 19,711.65 and 6,580.11 is: 9,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.06 : 19,711.65 = 6,580.11 : x
  2. Step 2: Convert to fraction form
    13,152.06/19,711.65 = 6,580.11/x
  3. Step 3: Cross multiply
    13,152.06x = 19,711.65 × 6,580.11
  4. Step 4: Simplify right side
    13,152.06x = 129,704,825.28
  5. Step 5: Solve for x
    x = 129,704,825.28/13,152.06
  6. Step 6: Final answer
    x = 9,861.94

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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.