Home / 19,346.71-28,969.67-10,563.61

Finding the Fourth Proportional to 19,346.71, 28,969.67 and 10,563.61

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Solution

The fourth proportional to 19,346.71, 28,969.67 and 10,563.61 is: 15,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.71 : 28,969.67 = 10,563.61 : x
  2. Step 2: Convert to fraction form
    19,346.71/28,969.67 = 10,563.61/x
  3. Step 3: Cross multiply
    19,346.71x = 28,969.67 × 10,563.61
  4. Step 4: Simplify right side
    19,346.71x = 306,024,242.89
  5. Step 5: Solve for x
    x = 306,024,242.89/19,346.71
  6. Step 6: Final answer
    x = 15,817.90

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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.