Home / 12,887.02-19,328.09-4,566.70

Finding the Fourth Proportional to 12,887.02, 19,328.09 and 4,566.70

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Solution

The fourth proportional to 12,887.02, 19,328.09 and 4,566.70 is: 6,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.02 : 19,328.09 = 4,566.70 : x
  2. Step 2: Convert to fraction form
    12,887.02/19,328.09 = 4,566.70/x
  3. Step 3: Cross multiply
    12,887.02x = 19,328.09 × 4,566.70
  4. Step 4: Simplify right side
    12,887.02x = 88,265,491.96
  5. Step 5: Solve for x
    x = 88,265,491.96/12,887.02
  6. Step 6: Final answer
    x = 6,849.18

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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.