Home / 19,008.08-28,513.56-5,158.16

Finding the Fourth Proportional to 19,008.08, 28,513.56 and 5,158.16

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Solution

The fourth proportional to 19,008.08, 28,513.56 and 5,158.16 is: 7,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.08 : 28,513.56 = 5,158.16 : x
  2. Step 2: Convert to fraction form
    19,008.08/28,513.56 = 5,158.16/x
  3. Step 3: Cross multiply
    19,008.08x = 28,513.56 × 5,158.16
  4. Step 4: Simplify right side
    19,008.08x = 147,077,504.65
  5. Step 5: Solve for x
    x = 147,077,504.65/19,008.08
  6. Step 6: Final answer
    x = 7,737.63

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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.