Home / 12,358.28-18,533.02-3,590.92

Finding the Fourth Proportional to 12,358.28, 18,533.02 and 3,590.92

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Solution

The fourth proportional to 12,358.28, 18,533.02 and 3,590.92 is: 5,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.28 : 18,533.02 = 3,590.92 : x
  2. Step 2: Convert to fraction form
    12,358.28/18,533.02 = 3,590.92/x
  3. Step 3: Cross multiply
    12,358.28x = 18,533.02 × 3,590.92
  4. Step 4: Simplify right side
    12,358.28x = 66,550,592.18
  5. Step 5: Solve for x
    x = 66,550,592.18/12,358.28
  6. Step 6: Final answer
    x = 5,385.10

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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.