Home / 16,688.02-22,989.90-11,643.08

Finding the Fourth Proportional to 16,688.02, 22,989.90 and 11,643.08

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Solution

The fourth proportional to 16,688.02, 22,989.90 and 11,643.08 is: 16,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.02 : 22,989.90 = 11,643.08 : x
  2. Step 2: Convert to fraction form
    16,688.02/22,989.90 = 11,643.08/x
  3. Step 3: Cross multiply
    16,688.02x = 22,989.90 × 11,643.08
  4. Step 4: Simplify right side
    16,688.02x = 267,673,244.89
  5. Step 5: Solve for x
    x = 267,673,244.89/16,688.02
  6. Step 6: Final answer
    x = 16,039.84

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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.