Home / 9,420.39-14,130.59-3,575.61

Finding the Fourth Proportional to 9,420.39, 14,130.59 and 3,575.61

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Solution

The fourth proportional to 9,420.39, 14,130.59 and 3,575.61 is: 5,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.39 : 14,130.59 = 3,575.61 : x
  2. Step 2: Convert to fraction form
    9,420.39/14,130.59 = 3,575.61/x
  3. Step 3: Cross multiply
    9,420.39x = 14,130.59 × 3,575.61
  4. Step 4: Simplify right side
    9,420.39x = 50,525,461.03
  5. Step 5: Solve for x
    x = 50,525,461.03/9,420.39
  6. Step 6: Final answer
    x = 5,363.42

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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.