Home / 10,452.36-15,678.47-2,554.91

Finding the Fourth Proportional to 10,452.36, 15,678.47 and 2,554.91

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Solution

The fourth proportional to 10,452.36, 15,678.47 and 2,554.91 is: 3,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.36 : 15,678.47 = 2,554.91 : x
  2. Step 2: Convert to fraction form
    10,452.36/15,678.47 = 2,554.91/x
  3. Step 3: Cross multiply
    10,452.36x = 15,678.47 × 2,554.91
  4. Step 4: Simplify right side
    10,452.36x = 40,057,154.77
  5. Step 5: Solve for x
    x = 40,057,154.77/10,452.36
  6. Step 6: Final answer
    x = 3,832.36

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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.