Home / 15,616.02-21,550.17-9,646.32

Finding the Fourth Proportional to 15,616.02, 21,550.17 and 9,646.32

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Solution

The fourth proportional to 15,616.02, 21,550.17 and 9,646.32 is: 13,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.02 : 21,550.17 = 9,646.32 : x
  2. Step 2: Convert to fraction form
    15,616.02/21,550.17 = 9,646.32/x
  3. Step 3: Cross multiply
    15,616.02x = 21,550.17 × 9,646.32
  4. Step 4: Simplify right side
    15,616.02x = 207,879,835.87
  5. Step 5: Solve for x
    x = 207,879,835.87/15,616.02
  6. Step 6: Final answer
    x = 13,311.96

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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.