Home / 19,471.28-29,209.56-6,319.40

Finding the Fourth Proportional to 19,471.28, 29,209.56 and 6,319.40

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Solution

The fourth proportional to 19,471.28, 29,209.56 and 6,319.40 is: 9,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.28 : 29,209.56 = 6,319.40 : x
  2. Step 2: Convert to fraction form
    19,471.28/29,209.56 = 6,319.40/x
  3. Step 3: Cross multiply
    19,471.28x = 29,209.56 × 6,319.40
  4. Step 4: Simplify right side
    19,471.28x = 184,586,893.46
  5. Step 5: Solve for x
    x = 184,586,893.46/19,471.28
  6. Step 6: Final answer
    x = 9,479.96

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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.