Home / 10,357.56-14,288.88-6,999.14

Finding the Fourth Proportional to 10,357.56, 14,288.88 and 6,999.14

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Solution

The fourth proportional to 10,357.56, 14,288.88 and 6,999.14 is: 9,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.56 : 14,288.88 = 6,999.14 : x
  2. Step 2: Convert to fraction form
    10,357.56/14,288.88 = 6,999.14/x
  3. Step 3: Cross multiply
    10,357.56x = 14,288.88 × 6,999.14
  4. Step 4: Simplify right side
    10,357.56x = 100,009,800.12
  5. Step 5: Solve for x
    x = 100,009,800.12/10,357.56
  6. Step 6: Final answer
    x = 9,655.73

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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.