Home / 16,207.66-22,368.35-9,403.18

Finding the Fourth Proportional to 16,207.66, 22,368.35 and 9,403.18

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Solution

The fourth proportional to 16,207.66, 22,368.35 and 9,403.18 is: 12,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,207.66 : 22,368.35 = 9,403.18 : x
  2. Step 2: Convert to fraction form
    16,207.66/22,368.35 = 9,403.18/x
  3. Step 3: Cross multiply
    16,207.66x = 22,368.35 × 9,403.18
  4. Step 4: Simplify right side
    16,207.66x = 210,333,533.02
  5. Step 5: Solve for x
    x = 210,333,533.02/16,207.66
  6. Step 6: Final answer
    x = 12,977.42

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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.