Home / 14,533.68-20,055.51-8,160.42

Finding the Fourth Proportional to 14,533.68, 20,055.51 and 8,160.42

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Solution

The fourth proportional to 14,533.68, 20,055.51 and 8,160.42 is: 11,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,533.68 : 20,055.51 = 8,160.42 : x
  2. Step 2: Convert to fraction form
    14,533.68/20,055.51 = 8,160.42/x
  3. Step 3: Cross multiply
    14,533.68x = 20,055.51 × 8,160.42
  4. Step 4: Simplify right side
    14,533.68x = 163,661,384.91
  5. Step 5: Solve for x
    x = 163,661,384.91/14,533.68
  6. Step 6: Final answer
    x = 11,260.84

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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.