Home / 11,285.52-15,575.64-6,572.40

Finding the Fourth Proportional to 11,285.52, 15,575.64 and 6,572.40

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Solution

The fourth proportional to 11,285.52, 15,575.64 and 6,572.40 is: 9,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.52 : 15,575.64 = 6,572.40 : x
  2. Step 2: Convert to fraction form
    11,285.52/15,575.64 = 6,572.40/x
  3. Step 3: Cross multiply
    11,285.52x = 15,575.64 × 6,572.40
  4. Step 4: Simplify right side
    11,285.52x = 102,369,336.34
  5. Step 5: Solve for x
    x = 102,369,336.34/11,285.52
  6. Step 6: Final answer
    x = 9,070.86

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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.