Home / 19,347.66-29,019.33-5,308.74

Finding the Fourth Proportional to 19,347.66, 29,019.33 and 5,308.74

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Solution

The fourth proportional to 19,347.66, 29,019.33 and 5,308.74 is: 7,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.66 : 29,019.33 = 5,308.74 : x
  2. Step 2: Convert to fraction form
    19,347.66/29,019.33 = 5,308.74/x
  3. Step 3: Cross multiply
    19,347.66x = 29,019.33 × 5,308.74
  4. Step 4: Simplify right side
    19,347.66x = 154,056,077.94
  5. Step 5: Solve for x
    x = 154,056,077.94/19,347.66
  6. Step 6: Final answer
    x = 7,962.52

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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.