Home / 10,833.76-16,242.80-7,315.04

Finding the Fourth Proportional to 10,833.76, 16,242.80 and 7,315.04

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Solution

The fourth proportional to 10,833.76, 16,242.80 and 7,315.04 is: 10,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,833.76 : 16,242.80 = 7,315.04 : x
  2. Step 2: Convert to fraction form
    10,833.76/16,242.80 = 7,315.04/x
  3. Step 3: Cross multiply
    10,833.76x = 16,242.80 × 7,315.04
  4. Step 4: Simplify right side
    10,833.76x = 118,816,731.71
  5. Step 5: Solve for x
    x = 118,816,731.71/10,833.76
  6. Step 6: Final answer
    x = 10,967.27

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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.