Home / 14,988.42-20,683.74-8,274.26

Finding the Fourth Proportional to 14,988.42, 20,683.74 and 8,274.26

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Solution

The fourth proportional to 14,988.42, 20,683.74 and 8,274.26 is: 11,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.42 : 20,683.74 = 8,274.26 : x
  2. Step 2: Convert to fraction form
    14,988.42/20,683.74 = 8,274.26/x
  3. Step 3: Cross multiply
    14,988.42x = 20,683.74 × 8,274.26
  4. Step 4: Simplify right side
    14,988.42x = 171,142,642.53
  5. Step 5: Solve for x
    x = 171,142,642.53/14,988.42
  6. Step 6: Final answer
    x = 11,418.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.