Home / 13,498.96-18,632.52-8,533.84

Finding the Fourth Proportional to 13,498.96, 18,632.52 and 8,533.84

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Solution

The fourth proportional to 13,498.96, 18,632.52 and 8,533.84 is: 11,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.96 : 18,632.52 = 8,533.84 : x
  2. Step 2: Convert to fraction form
    13,498.96/18,632.52 = 8,533.84/x
  3. Step 3: Cross multiply
    13,498.96x = 18,632.52 × 8,533.84
  4. Step 4: Simplify right side
    13,498.96x = 159,006,944.48
  5. Step 5: Solve for x
    x = 159,006,944.48/13,498.96
  6. Step 6: Final answer
    x = 11,779.20

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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.