Home / 16,246.12-22,420.02-9,172.60

Finding the Fourth Proportional to 16,246.12, 22,420.02 and 9,172.60

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Solution

The fourth proportional to 16,246.12, 22,420.02 and 9,172.60 is: 12,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.12 : 22,420.02 = 9,172.60 : x
  2. Step 2: Convert to fraction form
    16,246.12/22,420.02 = 9,172.60/x
  3. Step 3: Cross multiply
    16,246.12x = 22,420.02 × 9,172.60
  4. Step 4: Simplify right side
    16,246.12x = 205,649,875.45
  5. Step 5: Solve for x
    x = 205,649,875.45/16,246.12
  6. Step 6: Final answer
    x = 12,658.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.