Home / 16,730.70-23,088.81-9,177.36

Finding the Fourth Proportional to 16,730.70, 23,088.81 and 9,177.36

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Solution

The fourth proportional to 16,730.70, 23,088.81 and 9,177.36 is: 12,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.70 : 23,088.81 = 9,177.36 : x
  2. Step 2: Convert to fraction form
    16,730.70/23,088.81 = 9,177.36/x
  3. Step 3: Cross multiply
    16,730.70x = 23,088.81 × 9,177.36
  4. Step 4: Simplify right side
    16,730.70x = 211,894,321.34
  5. Step 5: Solve for x
    x = 211,894,321.34/16,730.70
  6. Step 6: Final answer
    x = 12,665.00

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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.