Home / 10,993.17-15,166.98-7,015.58

Finding the Fourth Proportional to 10,993.17, 15,166.98 and 7,015.58

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Solution

The fourth proportional to 10,993.17, 15,166.98 and 7,015.58 is: 9,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.17 : 15,166.98 = 7,015.58 : x
  2. Step 2: Convert to fraction form
    10,993.17/15,166.98 = 7,015.58/x
  3. Step 3: Cross multiply
    10,993.17x = 15,166.98 × 7,015.58
  4. Step 4: Simplify right side
    10,993.17x = 106,405,085.71
  5. Step 5: Solve for x
    x = 106,405,085.71/10,993.17
  6. Step 6: Final answer
    x = 9,679.20

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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.