Home / 14,439.04-19,934.28-9,969.28

Finding the Fourth Proportional to 14,439.04, 19,934.28 and 9,969.28

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Solution

The fourth proportional to 14,439.04, 19,934.28 and 9,969.28 is: 13,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.04 : 19,934.28 = 9,969.28 : x
  2. Step 2: Convert to fraction form
    14,439.04/19,934.28 = 9,969.28/x
  3. Step 3: Cross multiply
    14,439.04x = 19,934.28 × 9,969.28
  4. Step 4: Simplify right side
    14,439.04x = 198,730,418.92
  5. Step 5: Solve for x
    x = 198,730,418.92/14,439.04
  6. Step 6: Final answer
    x = 13,763.41

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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.