Home / 10,350.23-15,477.66-7,686.86

Finding the Fourth Proportional to 10,350.23, 15,477.66 and 7,686.86

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Solution

The fourth proportional to 10,350.23, 15,477.66 and 7,686.86 is: 11,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.23 : 15,477.66 = 7,686.86 : x
  2. Step 2: Convert to fraction form
    10,350.23/15,477.66 = 7,686.86/x
  3. Step 3: Cross multiply
    10,350.23x = 15,477.66 × 7,686.86
  4. Step 4: Simplify right side
    10,350.23x = 118,974,528.16
  5. Step 5: Solve for x
    x = 118,974,528.16/10,350.23
  6. Step 6: Final answer
    x = 11,494.87

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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.