Home / 11,322.28-15,624.75-6,606.56

Finding the Fourth Proportional to 11,322.28, 15,624.75 and 6,606.56

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Solution

The fourth proportional to 11,322.28, 15,624.75 and 6,606.56 is: 9,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.28 : 15,624.75 = 6,606.56 : x
  2. Step 2: Convert to fraction form
    11,322.28/15,624.75 = 6,606.56/x
  3. Step 3: Cross multiply
    11,322.28x = 15,624.75 × 6,606.56
  4. Step 4: Simplify right side
    11,322.28x = 103,225,875.03
  5. Step 5: Solve for x
    x = 103,225,875.03/11,322.28
  6. Step 6: Final answer
    x = 9,117.06

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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.