Home / 14,989.37-20,685.50-8,275.01

Finding the Fourth Proportional to 14,989.37, 20,685.50 and 8,275.01

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Solution

The fourth proportional to 14,989.37, 20,685.50 and 8,275.01 is: 11,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.37 : 20,685.50 = 8,275.01 : x
  2. Step 2: Convert to fraction form
    14,989.37/20,685.50 = 8,275.01/x
  3. Step 3: Cross multiply
    14,989.37x = 20,685.50 × 8,275.01
  4. Step 4: Simplify right side
    14,989.37x = 171,172,646.96
  5. Step 5: Solve for x
    x = 171,172,646.96/14,989.37
  6. Step 6: Final answer
    x = 11,419.60

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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.