Home / 12,856.03-19,286.47-4,535.10

Finding the Fourth Proportional to 12,856.03, 19,286.47 and 4,535.10

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Solution

The fourth proportional to 12,856.03, 19,286.47 and 4,535.10 is: 6,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856.03 : 19,286.47 = 4,535.10 : x
  2. Step 2: Convert to fraction form
    12,856.03/19,286.47 = 4,535.10/x
  3. Step 3: Cross multiply
    12,856.03x = 19,286.47 × 4,535.10
  4. Step 4: Simplify right side
    12,856.03x = 87,466,075.77
  5. Step 5: Solve for x
    x = 87,466,075.77/12,856.03
  6. Step 6: Final answer
    x = 6,803.51

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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.