Home / 17,390.18-26,084.80-4,911.06

Finding the Fourth Proportional to 17,390.18, 26,084.80 and 4,911.06

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Solution

The fourth proportional to 17,390.18, 26,084.80 and 4,911.06 is: 7,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.18 : 26,084.80 = 4,911.06 : x
  2. Step 2: Convert to fraction form
    17,390.18/26,084.80 = 4,911.06/x
  3. Step 3: Cross multiply
    17,390.18x = 26,084.80 × 4,911.06
  4. Step 4: Simplify right side
    17,390.18x = 128,104,017.89
  5. Step 5: Solve for x
    x = 128,104,017.89/17,390.18
  6. Step 6: Final answer
    x = 7,366.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.