Home / 19,354.40-29,035.76-8,261.28

Finding the Fourth Proportional to 19,354.40, 29,035.76 and 8,261.28

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Solution

The fourth proportional to 19,354.40, 29,035.76 and 8,261.28 is: 12,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.40 : 29,035.76 = 8,261.28 : x
  2. Step 2: Convert to fraction form
    19,354.40/29,035.76 = 8,261.28/x
  3. Step 3: Cross multiply
    19,354.40x = 29,035.76 × 8,261.28
  4. Step 4: Simplify right side
    19,354.40x = 239,872,543.37
  5. Step 5: Solve for x
    x = 239,872,543.37/19,354.40
  6. Step 6: Final answer
    x = 12,393.70

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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.