Home / 21,544.71-32,316.12-7,507.86

Finding the Fourth Proportional to 21,544.71, 32,316.12 and 7,507.86

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Solution

The fourth proportional to 21,544.71, 32,316.12 and 7,507.86 is: 11,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.71 : 32,316.12 = 7,507.86 : x
  2. Step 2: Convert to fraction form
    21,544.71/32,316.12 = 7,507.86/x
  3. Step 3: Cross multiply
    21,544.71x = 32,316.12 × 7,507.86
  4. Step 4: Simplify right side
    21,544.71x = 242,624,904.70
  5. Step 5: Solve for x
    x = 242,624,904.70/21,544.71
  6. Step 6: Final answer
    x = 11,261.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.