Home / 12,946.20-19,419.30-6,020.70

Finding the Fourth Proportional to 12,946.20, 19,419.30 and 6,020.70

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Solution

The fourth proportional to 12,946.20, 19,419.30 and 6,020.70 is: 9,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.20 : 19,419.30 = 6,020.70 : x
  2. Step 2: Convert to fraction form
    12,946.20/19,419.30 = 6,020.70/x
  3. Step 3: Cross multiply
    12,946.20x = 19,419.30 × 6,020.70
  4. Step 4: Simplify right side
    12,946.20x = 116,917,779.51
  5. Step 5: Solve for x
    x = 116,917,779.51/12,946.20
  6. Step 6: Final answer
    x = 9,031.05

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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.