Home / 10,995.34-15,172.58-6,518.34

Finding the Fourth Proportional to 10,995.34, 15,172.58 and 6,518.34

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Solution

The fourth proportional to 10,995.34, 15,172.58 and 6,518.34 is: 8,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.34 : 15,172.58 = 6,518.34 : x
  2. Step 2: Convert to fraction form
    10,995.34/15,172.58 = 6,518.34/x
  3. Step 3: Cross multiply
    10,995.34x = 15,172.58 × 6,518.34
  4. Step 4: Simplify right side
    10,995.34x = 98,900,035.12
  5. Step 5: Solve for x
    x = 98,900,035.12/10,995.34
  6. Step 6: Final answer
    x = 8,994.72

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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.