Home / 12,229.02-18,330.60-5,659.50

Finding the Fourth Proportional to 12,229.02, 18,330.60 and 5,659.50

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Solution

The fourth proportional to 12,229.02, 18,330.60 and 5,659.50 is: 8,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.02 : 18,330.60 = 5,659.50 : x
  2. Step 2: Convert to fraction form
    12,229.02/18,330.60 = 5,659.50/x
  3. Step 3: Cross multiply
    12,229.02x = 18,330.60 × 5,659.50
  4. Step 4: Simplify right side
    12,229.02x = 103,742,030.70
  5. Step 5: Solve for x
    x = 103,742,030.70/12,229.02
  6. Step 6: Final answer
    x = 8,483.27

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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.