Home / 21,777.44-32,670.04-7,545.20

Finding the Fourth Proportional to 21,777.44, 32,670.04 and 7,545.20

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Solution

The fourth proportional to 21,777.44, 32,670.04 and 7,545.20 is: 11,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777.44 : 32,670.04 = 7,545.20 : x
  2. Step 2: Convert to fraction form
    21,777.44/32,670.04 = 7,545.20/x
  3. Step 3: Cross multiply
    21,777.44x = 32,670.04 × 7,545.20
  4. Step 4: Simplify right side
    21,777.44x = 246,501,985.81
  5. Step 5: Solve for x
    x = 246,501,985.81/21,777.44
  6. Step 6: Final answer
    x = 11,319.14

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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.