Home / 9,430.78-14,151.60-5,048.20

Finding the Fourth Proportional to 9,430.78, 14,151.60 and 5,048.20

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Solution

The fourth proportional to 9,430.78, 14,151.60 and 5,048.20 is: 7,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.78 : 14,151.60 = 5,048.20 : x
  2. Step 2: Convert to fraction form
    9,430.78/14,151.60 = 5,048.20/x
  3. Step 3: Cross multiply
    9,430.78x = 14,151.60 × 5,048.20
  4. Step 4: Simplify right side
    9,430.78x = 71,440,107.12
  5. Step 5: Solve for x
    x = 71,440,107.12/9,430.78
  6. Step 6: Final answer
    x = 7,575.21

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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.