Home / 12,490.02-18,744.24-5,916.18

Finding the Fourth Proportional to 12,490.02, 18,744.24 and 5,916.18

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Solution

The fourth proportional to 12,490.02, 18,744.24 and 5,916.18 is: 8,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.02 : 18,744.24 = 5,916.18 : x
  2. Step 2: Convert to fraction form
    12,490.02/18,744.24 = 5,916.18/x
  3. Step 3: Cross multiply
    12,490.02x = 18,744.24 × 5,916.18
  4. Step 4: Simplify right side
    12,490.02x = 110,894,297.80
  5. Step 5: Solve for x
    x = 110,894,297.80/12,490.02
  6. Step 6: Final answer
    x = 8,878.63

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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.