Home / 16,875.07-23,287.61-9,218.45

Finding the Fourth Proportional to 16,875.07, 23,287.61 and 9,218.45

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Solution

The fourth proportional to 16,875.07, 23,287.61 and 9,218.45 is: 12,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.07 : 23,287.61 = 9,218.45 : x
  2. Step 2: Convert to fraction form
    16,875.07/23,287.61 = 9,218.45/x
  3. Step 3: Cross multiply
    16,875.07x = 23,287.61 × 9,218.45
  4. Step 4: Simplify right side
    16,875.07x = 214,675,658.25
  5. Step 5: Solve for x
    x = 214,675,658.25/16,875.07
  6. Step 6: Final answer
    x = 12,721.47

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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.