Home / 12,946.12-19,417.74-4,625.80

Finding the Fourth Proportional to 12,946.12, 19,417.74 and 4,625.80

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Solution

The fourth proportional to 12,946.12, 19,417.74 and 4,625.80 is: 6,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.12 : 19,417.74 = 4,625.80 : x
  2. Step 2: Convert to fraction form
    12,946.12/19,417.74 = 4,625.80/x
  3. Step 3: Cross multiply
    12,946.12x = 19,417.74 × 4,625.80
  4. Step 4: Simplify right side
    12,946.12x = 89,822,581.69
  5. Step 5: Solve for x
    x = 89,822,581.69/12,946.12
  6. Step 6: Final answer
    x = 6,938.19

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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.