Home / 12,892.79-19,341.02-4,570.36

Finding the Fourth Proportional to 12,892.79, 19,341.02 and 4,570.36

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Solution

The fourth proportional to 12,892.79, 19,341.02 and 4,570.36 is: 6,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.79 : 19,341.02 = 4,570.36 : x
  2. Step 2: Convert to fraction form
    12,892.79/19,341.02 = 4,570.36/x
  3. Step 3: Cross multiply
    12,892.79x = 19,341.02 × 4,570.36
  4. Step 4: Simplify right side
    12,892.79x = 88,395,387.24
  5. Step 5: Solve for x
    x = 88,395,387.24/12,892.79
  6. Step 6: Final answer
    x = 6,856.19

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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.