Home / 10,777.19-16,151.81-5,222.81

Finding the Fourth Proportional to 10,777.19, 16,151.81 and 5,222.81

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Solution

The fourth proportional to 10,777.19, 16,151.81 and 5,222.81 is: 7,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.19 : 16,151.81 = 5,222.81 : x
  2. Step 2: Convert to fraction form
    10,777.19/16,151.81 = 5,222.81/x
  3. Step 3: Cross multiply
    10,777.19x = 16,151.81 × 5,222.81
  4. Step 4: Simplify right side
    10,777.19x = 84,357,849.05
  5. Step 5: Solve for x
    x = 84,357,849.05/10,777.19
  6. Step 6: Final answer
    x = 7,827.45

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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.