Home / 10,345.86-15,506.46-7,208.88

Finding the Fourth Proportional to 10,345.86, 15,506.46 and 7,208.88

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Solution

The fourth proportional to 10,345.86, 15,506.46 and 7,208.88 is: 10,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.86 : 15,506.46 = 7,208.88 : x
  2. Step 2: Convert to fraction form
    10,345.86/15,506.46 = 7,208.88/x
  3. Step 3: Cross multiply
    10,345.86x = 15,506.46 × 7,208.88
  4. Step 4: Simplify right side
    10,345.86x = 111,784,209.36
  5. Step 5: Solve for x
    x = 111,784,209.36/10,345.86
  6. Step 6: Final answer
    x = 10,804.73

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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.