Home / 17,520.95-26,292.69-6,989.18

Finding the Fourth Proportional to 17,520.95, 26,292.69 and 6,989.18

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Solution

The fourth proportional to 17,520.95, 26,292.69 and 6,989.18 is: 10,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.95 : 26,292.69 = 6,989.18 : x
  2. Step 2: Convert to fraction form
    17,520.95/26,292.69 = 6,989.18/x
  3. Step 3: Cross multiply
    17,520.95x = 26,292.69 × 6,989.18
  4. Step 4: Simplify right side
    17,520.95x = 183,764,211.63
  5. Step 5: Solve for x
    x = 183,764,211.63/17,520.95
  6. Step 6: Final answer
    x = 10,488.26

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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.