Home / 14,616.02-20,168.62-8,646.52

Finding the Fourth Proportional to 14,616.02, 20,168.62 and 8,646.52

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Solution

The fourth proportional to 14,616.02, 20,168.62 and 8,646.52 is: 11,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.02 : 20,168.62 = 8,646.52 : x
  2. Step 2: Convert to fraction form
    14,616.02/20,168.62 = 8,646.52/x
  3. Step 3: Cross multiply
    14,616.02x = 20,168.62 × 8,646.52
  4. Step 4: Simplify right side
    14,616.02x = 174,388,376.20
  5. Step 5: Solve for x
    x = 174,388,376.20/14,616.02
  6. Step 6: Final answer
    x = 11,931.32

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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.