Home / 16,730.90-23,088.49-9,177.08

Finding the Fourth Proportional to 16,730.90, 23,088.49 and 9,177.08

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Solution

The fourth proportional to 16,730.90, 23,088.49 and 9,177.08 is: 12,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.90 : 23,088.49 = 9,177.08 : x
  2. Step 2: Convert to fraction form
    16,730.90/23,088.49 = 9,177.08/x
  3. Step 3: Cross multiply
    16,730.90x = 23,088.49 × 9,177.08
  4. Step 4: Simplify right side
    16,730.90x = 211,884,954.59
  5. Step 5: Solve for x
    x = 211,884,954.59/16,730.90
  6. Step 6: Final answer
    x = 12,664.29

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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.