Home / 12,707.49-19,068.50-9,926.35

Finding the Fourth Proportional to 12,707.49, 19,068.50 and 9,926.35

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Solution

The fourth proportional to 12,707.49, 19,068.50 and 9,926.35 is: 14,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.49 : 19,068.50 = 9,926.35 : x
  2. Step 2: Convert to fraction form
    12,707.49/19,068.50 = 9,926.35/x
  3. Step 3: Cross multiply
    12,707.49x = 19,068.50 × 9,926.35
  4. Step 4: Simplify right side
    12,707.49x = 189,280,604.98
  5. Step 5: Solve for x
    x = 189,280,604.98/12,707.49
  6. Step 6: Final answer
    x = 14,895.20

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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.