Home / 16,415.53-22,647.81-9,340.18

Finding the Fourth Proportional to 16,415.53, 22,647.81 and 9,340.18

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Solution

The fourth proportional to 16,415.53, 22,647.81 and 9,340.18 is: 12,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.53 : 22,647.81 = 9,340.18 : x
  2. Step 2: Convert to fraction form
    16,415.53/22,647.81 = 9,340.18/x
  3. Step 3: Cross multiply
    16,415.53x = 22,647.81 × 9,340.18
  4. Step 4: Simplify right side
    16,415.53x = 211,534,622.01
  5. Step 5: Solve for x
    x = 211,534,622.01/16,415.53
  6. Step 6: Final answer
    x = 12,886.25

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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.