Home / 12,813.02-19,217.10-4,047.20

Finding the Fourth Proportional to 12,813.02, 19,217.10 and 4,047.20

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Solution

The fourth proportional to 12,813.02, 19,217.10 and 4,047.20 is: 6,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.02 : 19,217.10 = 4,047.20 : x
  2. Step 2: Convert to fraction form
    12,813.02/19,217.10 = 4,047.20/x
  3. Step 3: Cross multiply
    12,813.02x = 19,217.10 × 4,047.20
  4. Step 4: Simplify right side
    12,813.02x = 77,775,447.12
  5. Step 5: Solve for x
    x = 77,775,447.12/12,813.02
  6. Step 6: Final answer
    x = 6,070.03

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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.