Home / 16,180.40-24,280.20-10,649.60

Finding the Fourth Proportional to 16,180.40, 24,280.20 and 10,649.60

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Solution

The fourth proportional to 16,180.40, 24,280.20 and 10,649.60 is: 15,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.40 : 24,280.20 = 10,649.60 : x
  2. Step 2: Convert to fraction form
    16,180.40/24,280.20 = 10,649.60/x
  3. Step 3: Cross multiply
    16,180.40x = 24,280.20 × 10,649.60
  4. Step 4: Simplify right side
    16,180.40x = 258,574,417.92
  5. Step 5: Solve for x
    x = 258,574,417.92/16,180.40
  6. Step 6: Final answer
    x = 15,980.72

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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.