Home / 13,303.52-18,355.56-8,582.12

Finding the Fourth Proportional to 13,303.52, 18,355.56 and 8,582.12

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Solution

The fourth proportional to 13,303.52, 18,355.56 and 8,582.12 is: 11,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.52 : 18,355.56 = 8,582.12 : x
  2. Step 2: Convert to fraction form
    13,303.52/18,355.56 = 8,582.12/x
  3. Step 3: Cross multiply
    13,303.52x = 18,355.56 × 8,582.12
  4. Step 4: Simplify right side
    13,303.52x = 157,529,618.59
  5. Step 5: Solve for x
    x = 157,529,618.59/13,303.52
  6. Step 6: Final answer
    x = 11,841.20

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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.