Home / 17,387.79-23,995.15-9,430.07

Finding the Fourth Proportional to 17,387.79, 23,995.15 and 9,430.07

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Solution

The fourth proportional to 17,387.79, 23,995.15 and 9,430.07 is: 13,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.79 : 23,995.15 = 9,430.07 : x
  2. Step 2: Convert to fraction form
    17,387.79/23,995.15 = 9,430.07/x
  3. Step 3: Cross multiply
    17,387.79x = 23,995.15 × 9,430.07
  4. Step 4: Simplify right side
    17,387.79x = 226,275,948.84
  5. Step 5: Solve for x
    x = 226,275,948.84/17,387.79
  6. Step 6: Final answer
    x = 13,013.50

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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.