Home / 15,516.04-23,277.70-5,127.78

Finding the Fourth Proportional to 15,516.04, 23,277.70 and 5,127.78

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Solution

The fourth proportional to 15,516.04, 23,277.70 and 5,127.78 is: 7,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.04 : 23,277.70 = 5,127.78 : x
  2. Step 2: Convert to fraction form
    15,516.04/23,277.70 = 5,127.78/x
  3. Step 3: Cross multiply
    15,516.04x = 23,277.70 × 5,127.78
  4. Step 4: Simplify right side
    15,516.04x = 119,362,924.51
  5. Step 5: Solve for x
    x = 119,362,924.51/15,516.04
  6. Step 6: Final answer
    x = 7,692.87

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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.