Home / 16,281.04-24,420.21-5,187.28

Finding the Fourth Proportional to 16,281.04, 24,420.21 and 5,187.28

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Solution

The fourth proportional to 16,281.04, 24,420.21 and 5,187.28 is: 7,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.04 : 24,420.21 = 5,187.28 : x
  2. Step 2: Convert to fraction form
    16,281.04/24,420.21 = 5,187.28/x
  3. Step 3: Cross multiply
    16,281.04x = 24,420.21 × 5,187.28
  4. Step 4: Simplify right side
    16,281.04x = 126,674,466.93
  5. Step 5: Solve for x
    x = 126,674,466.93/16,281.04
  6. Step 6: Final answer
    x = 7,780.49

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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.