Home / 16,840.53-23,240.08-9,287.12

Finding the Fourth Proportional to 16,840.53, 23,240.08 and 9,287.12

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Solution

The fourth proportional to 16,840.53, 23,240.08 and 9,287.12 is: 12,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.53 : 23,240.08 = 9,287.12 : x
  2. Step 2: Convert to fraction form
    16,840.53/23,240.08 = 9,287.12/x
  3. Step 3: Cross multiply
    16,840.53x = 23,240.08 × 9,287.12
  4. Step 4: Simplify right side
    16,840.53x = 215,833,411.77
  5. Step 5: Solve for x
    x = 215,833,411.77/16,840.53
  6. Step 6: Final answer
    x = 12,816.31

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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.