Home / 10,535.56-15,806.04-4,690.72

Finding the Fourth Proportional to 10,535.56, 15,806.04 and 4,690.72

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Solution

The fourth proportional to 10,535.56, 15,806.04 and 4,690.72 is: 7,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.56 : 15,806.04 = 4,690.72 : x
  2. Step 2: Convert to fraction form
    10,535.56/15,806.04 = 4,690.72/x
  3. Step 3: Cross multiply
    10,535.56x = 15,806.04 × 4,690.72
  4. Step 4: Simplify right side
    10,535.56x = 74,141,707.95
  5. Step 5: Solve for x
    x = 74,141,707.95/10,535.56
  6. Step 6: Final answer
    x = 7,037.28

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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.