Home / 10,950.14-15,113.56-6,970.40

Finding the Fourth Proportional to 10,950.14, 15,113.56 and 6,970.40

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Solution

The fourth proportional to 10,950.14, 15,113.56 and 6,970.40 is: 9,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.14 : 15,113.56 = 6,970.40 : x
  2. Step 2: Convert to fraction form
    10,950.14/15,113.56 = 6,970.40/x
  3. Step 3: Cross multiply
    10,950.14x = 15,113.56 × 6,970.40
  4. Step 4: Simplify right side
    10,950.14x = 105,347,558.62
  5. Step 5: Solve for x
    x = 105,347,558.62/10,950.14
  6. Step 6: Final answer
    x = 9,620.66

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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.