Home / 14,014.20-20,988.90-9,607.80

Finding the Fourth Proportional to 14,014.20, 20,988.90 and 9,607.80

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Solution

The fourth proportional to 14,014.20, 20,988.90 and 9,607.80 is: 14,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.20 : 20,988.90 = 9,607.80 : x
  2. Step 2: Convert to fraction form
    14,014.20/20,988.90 = 9,607.80/x
  3. Step 3: Cross multiply
    14,014.20x = 20,988.90 × 9,607.80
  4. Step 4: Simplify right side
    14,014.20x = 201,657,153.42
  5. Step 5: Solve for x
    x = 201,657,153.42/14,014.20
  6. Step 6: Final answer
    x = 14,389.49

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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.