Home / 16,911.80-23,337.47-9,358.00

Finding the Fourth Proportional to 16,911.80, 23,337.47 and 9,358.00

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Solution

The fourth proportional to 16,911.80, 23,337.47 and 9,358.00 is: 12,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.80 : 23,337.47 = 9,358.00 : x
  2. Step 2: Convert to fraction form
    16,911.80/23,337.47 = 9,358.00/x
  3. Step 3: Cross multiply
    16,911.80x = 23,337.47 × 9,358.00
  4. Step 4: Simplify right side
    16,911.80x = 218,391,939.13
  5. Step 5: Solve for x
    x = 218,391,939.13/16,911.80
  6. Step 6: Final answer
    x = 12,913.58

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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.