Home / 21,356.64-32,050.08-7,506.72

Finding the Fourth Proportional to 21,356.64, 32,050.08 and 7,506.72

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Solution

The fourth proportional to 21,356.64, 32,050.08 and 7,506.72 is: 11,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.64 : 32,050.08 = 7,506.72 : x
  2. Step 2: Convert to fraction form
    21,356.64/32,050.08 = 7,506.72/x
  3. Step 3: Cross multiply
    21,356.64x = 32,050.08 × 7,506.72
  4. Step 4: Simplify right side
    21,356.64x = 240,590,976.54
  5. Step 5: Solve for x
    x = 240,590,976.54/21,356.64
  6. Step 6: Final answer
    x = 11,265.39

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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.