Home / 16,208.16-22,368.56-9,135.20

Finding the Fourth Proportional to 16,208.16, 22,368.56 and 9,135.20

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Solution

The fourth proportional to 16,208.16, 22,368.56 and 9,135.20 is: 12,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208.16 : 22,368.56 = 9,135.20 : x
  2. Step 2: Convert to fraction form
    16,208.16/22,368.56 = 9,135.20/x
  3. Step 3: Cross multiply
    16,208.16x = 22,368.56 × 9,135.20
  4. Step 4: Simplify right side
    16,208.16x = 204,341,269.31
  5. Step 5: Solve for x
    x = 204,341,269.31/16,208.16
  6. Step 6: Final answer
    x = 12,607.31

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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.