Home / 19,768.71-29,656.03-6,437.35

Finding the Fourth Proportional to 19,768.71, 29,656.03 and 6,437.35

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Solution

The fourth proportional to 19,768.71, 29,656.03 and 6,437.35 is: 9,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.71 : 29,656.03 = 6,437.35 : x
  2. Step 2: Convert to fraction form
    19,768.71/29,656.03 = 6,437.35/x
  3. Step 3: Cross multiply
    19,768.71x = 29,656.03 × 6,437.35
  4. Step 4: Simplify right side
    19,768.71x = 190,906,154.49
  5. Step 5: Solve for x
    x = 190,906,154.49/19,768.71
  6. Step 6: Final answer
    x = 9,656.99

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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.