Home / 13,995.04-19,325.98-8,892.20

Finding the Fourth Proportional to 13,995.04, 19,325.98 and 8,892.20

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Solution

The fourth proportional to 13,995.04, 19,325.98 and 8,892.20 is: 12,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.04 : 19,325.98 = 8,892.20 : x
  2. Step 2: Convert to fraction form
    13,995.04/19,325.98 = 8,892.20/x
  3. Step 3: Cross multiply
    13,995.04x = 19,325.98 × 8,892.20
  4. Step 4: Simplify right side
    13,995.04x = 171,850,479.36
  5. Step 5: Solve for x
    x = 171,850,479.36/13,995.04
  6. Step 6: Final answer
    x = 12,279.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.