Home / 18,637.02-27,954.77-7,543.80

Finding the Fourth Proportional to 18,637.02, 27,954.77 and 7,543.80

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Solution

The fourth proportional to 18,637.02, 27,954.77 and 7,543.80 is: 11,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.02 : 27,954.77 = 7,543.80 : x
  2. Step 2: Convert to fraction form
    18,637.02/27,954.77 = 7,543.80/x
  3. Step 3: Cross multiply
    18,637.02x = 27,954.77 × 7,543.80
  4. Step 4: Simplify right side
    18,637.02x = 210,885,156.21
  5. Step 5: Solve for x
    x = 210,885,156.21/18,637.02
  6. Step 6: Final answer
    x = 11,315.39

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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.