Home / 17,001.61-23,455.49-9,830.21

Finding the Fourth Proportional to 17,001.61, 23,455.49 and 9,830.21

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Solution

The fourth proportional to 17,001.61, 23,455.49 and 9,830.21 is: 13,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.61 : 23,455.49 = 9,830.21 : x
  2. Step 2: Convert to fraction form
    17,001.61/23,455.49 = 9,830.21/x
  3. Step 3: Cross multiply
    17,001.61x = 23,455.49 × 9,830.21
  4. Step 4: Simplify right side
    17,001.61x = 230,572,225.92
  5. Step 5: Solve for x
    x = 230,572,225.92/17,001.61
  6. Step 6: Final answer
    x = 13,561.79

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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.