Home / 21,490.04-32,235.06-7,637.96

Finding the Fourth Proportional to 21,490.04, 32,235.06 and 7,637.96

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Solution

The fourth proportional to 21,490.04, 32,235.06 and 7,637.96 is: 11,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.04 : 32,235.06 = 7,637.96 : x
  2. Step 2: Convert to fraction form
    21,490.04/32,235.06 = 7,637.96/x
  3. Step 3: Cross multiply
    21,490.04x = 32,235.06 × 7,637.96
  4. Step 4: Simplify right side
    21,490.04x = 246,210,098.88
  5. Step 5: Solve for x
    x = 246,210,098.88/21,490.04
  6. Step 6: Final answer
    x = 11,456.94

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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.