Home / 12,887.56-19,325.87-4,569.67

Finding the Fourth Proportional to 12,887.56, 19,325.87 and 4,569.67

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Solution

The fourth proportional to 12,887.56, 19,325.87 and 4,569.67 is: 6,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.56 : 19,325.87 = 4,569.67 : x
  2. Step 2: Convert to fraction form
    12,887.56/19,325.87 = 4,569.67/x
  3. Step 3: Cross multiply
    12,887.56x = 19,325.87 × 4,569.67
  4. Step 4: Simplify right side
    12,887.56x = 88,312,777.20
  5. Step 5: Solve for x
    x = 88,312,777.20/12,887.56
  6. Step 6: Final answer
    x = 6,852.56

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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.