Home / 15,816.96-23,711.76-7,045.20

Finding the Fourth Proportional to 15,816.96, 23,711.76 and 7,045.20

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Solution

The fourth proportional to 15,816.96, 23,711.76 and 7,045.20 is: 10,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.96 : 23,711.76 = 7,045.20 : x
  2. Step 2: Convert to fraction form
    15,816.96/23,711.76 = 7,045.20/x
  3. Step 3: Cross multiply
    15,816.96x = 23,711.76 × 7,045.20
  4. Step 4: Simplify right side
    15,816.96x = 167,054,091.55
  5. Step 5: Solve for x
    x = 167,054,091.55/15,816.96
  6. Step 6: Final answer
    x = 10,561.71

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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.