Home / 10,206.84-15,318.47-5,277.93

Finding the Fourth Proportional to 10,206.84, 15,318.47 and 5,277.93

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Solution

The fourth proportional to 10,206.84, 15,318.47 and 5,277.93 is: 7,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.84 : 15,318.47 = 5,277.93 : x
  2. Step 2: Convert to fraction form
    10,206.84/15,318.47 = 5,277.93/x
  3. Step 3: Cross multiply
    10,206.84x = 15,318.47 × 5,277.93
  4. Step 4: Simplify right side
    10,206.84x = 80,849,812.37
  5. Step 5: Solve for x
    x = 80,849,812.37/10,206.84
  6. Step 6: Final answer
    x = 7,921.14

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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.