Home / 17,387.85-23,995.20-9,430.08

Finding the Fourth Proportional to 17,387.85, 23,995.20 and 9,430.08

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Solution

The fourth proportional to 17,387.85, 23,995.20 and 9,430.08 is: 13,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.85 : 23,995.20 = 9,430.08 : x
  2. Step 2: Convert to fraction form
    17,387.85/23,995.20 = 9,430.08/x
  3. Step 3: Cross multiply
    17,387.85x = 23,995.20 × 9,430.08
  4. Step 4: Simplify right side
    17,387.85x = 226,276,655.62
  5. Step 5: Solve for x
    x = 226,276,655.62/17,387.85
  6. Step 6: Final answer
    x = 13,013.49

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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.