Home / 14,988.40-20,683.57-8,273.53

Finding the Fourth Proportional to 14,988.40, 20,683.57 and 8,273.53

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Solution

The fourth proportional to 14,988.40, 20,683.57 and 8,273.53 is: 11,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.40 : 20,683.57 = 8,273.53 : x
  2. Step 2: Convert to fraction form
    14,988.40/20,683.57 = 8,273.53/x
  3. Step 3: Cross multiply
    14,988.40x = 20,683.57 × 8,273.53
  4. Step 4: Simplify right side
    14,988.40x = 171,126,136.90
  5. Step 5: Solve for x
    x = 171,126,136.90/14,988.40
  6. Step 6: Final answer
    x = 11,417.24

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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.