Home / 16,281.60-24,411.45-6,415.80

Finding the Fourth Proportional to 16,281.60, 24,411.45 and 6,415.80

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Solution

The fourth proportional to 16,281.60, 24,411.45 and 6,415.80 is: 9,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.60 : 24,411.45 = 6,415.80 : x
  2. Step 2: Convert to fraction form
    16,281.60/24,411.45 = 6,415.80/x
  3. Step 3: Cross multiply
    16,281.60x = 24,411.45 × 6,415.80
  4. Step 4: Simplify right side
    16,281.60x = 156,618,980.91
  5. Step 5: Solve for x
    x = 156,618,980.91/16,281.60
  6. Step 6: Final answer
    x = 9,619.39

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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.