Home / 19,478.30-29,220.26-6,146.76

Finding the Fourth Proportional to 19,478.30, 29,220.26 and 6,146.76

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Solution

The fourth proportional to 19,478.30, 29,220.26 and 6,146.76 is: 9,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.30 : 29,220.26 = 6,146.76 : x
  2. Step 2: Convert to fraction form
    19,478.30/29,220.26 = 6,146.76/x
  3. Step 3: Cross multiply
    19,478.30x = 29,220.26 × 6,146.76
  4. Step 4: Simplify right side
    19,478.30x = 179,609,925.36
  5. Step 5: Solve for x
    x = 179,609,925.36/19,478.30
  6. Step 6: Final answer
    x = 9,221.03

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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.