Home / 17,377.35-23,980.65-9,419.55

Finding the Fourth Proportional to 17,377.35, 23,980.65 and 9,419.55

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Solution

The fourth proportional to 17,377.35, 23,980.65 and 9,419.55 is: 12,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.35 : 23,980.65 = 9,419.55 : x
  2. Step 2: Convert to fraction form
    17,377.35/23,980.65 = 9,419.55/x
  3. Step 3: Cross multiply
    17,377.35x = 23,980.65 × 9,419.55
  4. Step 4: Simplify right side
    17,377.35x = 225,886,931.71
  5. Step 5: Solve for x
    x = 225,886,931.71/17,377.35
  6. Step 6: Final answer
    x = 12,998.93

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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.