Home / 12,776.95-19,166.51-4,011.87

Finding the Fourth Proportional to 12,776.95, 19,166.51 and 4,011.87

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Solution

The fourth proportional to 12,776.95, 19,166.51 and 4,011.87 is: 6,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.95 : 19,166.51 = 4,011.87 : x
  2. Step 2: Convert to fraction form
    12,776.95/19,166.51 = 4,011.87/x
  3. Step 3: Cross multiply
    12,776.95x = 19,166.51 × 4,011.87
  4. Step 4: Simplify right side
    12,776.95x = 76,893,605.81
  5. Step 5: Solve for x
    x = 76,893,605.81/12,776.95
  6. Step 6: Final answer
    x = 6,018.15

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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.