Home / 15,990.28-23,971.73-6,136.63

Finding the Fourth Proportional to 15,990.28, 23,971.73 and 6,136.63

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Solution

The fourth proportional to 15,990.28, 23,971.73 and 6,136.63 is: 9,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.28 : 23,971.73 = 6,136.63 : x
  2. Step 2: Convert to fraction form
    15,990.28/23,971.73 = 6,136.63/x
  3. Step 3: Cross multiply
    15,990.28x = 23,971.73 × 6,136.63
  4. Step 4: Simplify right side
    15,990.28x = 147,105,637.47
  5. Step 5: Solve for x
    x = 147,105,637.47/15,990.28
  6. Step 6: Final answer
    x = 9,199.69

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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.