Home / 16,215.15-22,376.85-9,045.09

Finding the Fourth Proportional to 16,215.15, 22,376.85 and 9,045.09

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Solution

The fourth proportional to 16,215.15, 22,376.85 and 9,045.09 is: 12,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.15 : 22,376.85 = 9,045.09 : x
  2. Step 2: Convert to fraction form
    16,215.15/22,376.85 = 9,045.09/x
  3. Step 3: Cross multiply
    16,215.15x = 22,376.85 × 9,045.09
  4. Step 4: Simplify right side
    16,215.15x = 202,400,622.17
  5. Step 5: Solve for x
    x = 202,400,622.17/16,215.15
  6. Step 6: Final answer
    x = 12,482.19

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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.