Home / 10,535.09-15,806.88-4,687.70

Finding the Fourth Proportional to 10,535.09, 15,806.88 and 4,687.70

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Solution

The fourth proportional to 10,535.09, 15,806.88 and 4,687.70 is: 7,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.09 : 15,806.88 = 4,687.70 : x
  2. Step 2: Convert to fraction form
    10,535.09/15,806.88 = 4,687.70/x
  3. Step 3: Cross multiply
    10,535.09x = 15,806.88 × 4,687.70
  4. Step 4: Simplify right side
    10,535.09x = 74,097,832.34
  5. Step 5: Solve for x
    x = 74,097,832.34/10,535.09
  6. Step 6: Final answer
    x = 7,033.43

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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.