Home / 19,685.75-29,528.21-6,538.23

Finding the Fourth Proportional to 19,685.75, 29,528.21 and 6,538.23

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Solution

The fourth proportional to 19,685.75, 29,528.21 and 6,538.23 is: 9,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.75 : 29,528.21 = 6,538.23 : x
  2. Step 2: Convert to fraction form
    19,685.75/29,528.21 = 6,538.23/x
  3. Step 3: Cross multiply
    19,685.75x = 29,528.21 × 6,538.23
  4. Step 4: Simplify right side
    19,685.75x = 193,062,244.81
  5. Step 5: Solve for x
    x = 193,062,244.81/19,685.75
  6. Step 6: Final answer
    x = 9,807.21

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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.