Home / 19,154.01-28,731.03-5,114.07

Finding the Fourth Proportional to 19,154.01, 28,731.03 and 5,114.07

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Solution

The fourth proportional to 19,154.01, 28,731.03 and 5,114.07 is: 7,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.01 : 28,731.03 = 5,114.07 : x
  2. Step 2: Convert to fraction form
    19,154.01/28,731.03 = 5,114.07/x
  3. Step 3: Cross multiply
    19,154.01x = 28,731.03 × 5,114.07
  4. Step 4: Simplify right side
    19,154.01x = 146,932,498.59
  5. Step 5: Solve for x
    x = 146,932,498.59/19,154.01
  6. Step 6: Final answer
    x = 7,671.11

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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.