Home / 17,389.56-23,999.76-11,426.16

Finding the Fourth Proportional to 17,389.56, 23,999.76 and 11,426.16

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Solution

The fourth proportional to 17,389.56, 23,999.76 and 11,426.16 is: 15,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.56 : 23,999.76 = 11,426.16 : x
  2. Step 2: Convert to fraction form
    17,389.56/23,999.76 = 11,426.16/x
  3. Step 3: Cross multiply
    17,389.56x = 23,999.76 × 11,426.16
  4. Step 4: Simplify right side
    17,389.56x = 274,225,097.72
  5. Step 5: Solve for x
    x = 274,225,097.72/17,389.56
  6. Step 6: Final answer
    x = 15,769.52

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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.