Home / 17,377.07-23,980.48-9,419.35

Finding the Fourth Proportional to 17,377.07, 23,980.48 and 9,419.35

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Solution

The fourth proportional to 17,377.07, 23,980.48 and 9,419.35 is: 12,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.07 : 23,980.48 = 9,419.35 : x
  2. Step 2: Convert to fraction form
    17,377.07/23,980.48 = 9,419.35/x
  3. Step 3: Cross multiply
    17,377.07x = 23,980.48 × 9,419.35
  4. Step 4: Simplify right side
    17,377.07x = 225,880,534.29
  5. Step 5: Solve for x
    x = 225,880,534.29/17,377.07
  6. Step 6: Final answer
    x = 12,998.77

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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.