Home / 10,450.04-15,646.79-7,655.54

Finding the Fourth Proportional to 10,450.04, 15,646.79 and 7,655.54

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Solution

The fourth proportional to 10,450.04, 15,646.79 and 7,655.54 is: 11,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.04 : 15,646.79 = 7,655.54 : x
  2. Step 2: Convert to fraction form
    10,450.04/15,646.79 = 7,655.54/x
  3. Step 3: Cross multiply
    10,450.04x = 15,646.79 × 7,655.54
  4. Step 4: Simplify right side
    10,450.04x = 119,784,510.20
  5. Step 5: Solve for x
    x = 119,784,510.20/10,450.04
  6. Step 6: Final answer
    x = 11,462.59

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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.