Home / 16,685.53-23,033.54-10,643.87

Finding the Fourth Proportional to 16,685.53, 23,033.54 and 10,643.87

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Solution

The fourth proportional to 16,685.53, 23,033.54 and 10,643.87 is: 14,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.53 : 23,033.54 = 10,643.87 : x
  2. Step 2: Convert to fraction form
    16,685.53/23,033.54 = 10,643.87/x
  3. Step 3: Cross multiply
    16,685.53x = 23,033.54 × 10,643.87
  4. Step 4: Simplify right side
    16,685.53x = 245,166,089.59
  5. Step 5: Solve for x
    x = 245,166,089.59/16,685.53
  6. Step 6: Final answer
    x = 14,693.34

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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.