Home / 14,426.04-19,911.14-9,381.48

Finding the Fourth Proportional to 14,426.04, 19,911.14 and 9,381.48

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Solution

The fourth proportional to 14,426.04, 19,911.14 and 9,381.48 is: 12,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.04 : 19,911.14 = 9,381.48 : x
  2. Step 2: Convert to fraction form
    14,426.04/19,911.14 = 9,381.48/x
  3. Step 3: Cross multiply
    14,426.04x = 19,911.14 × 9,381.48
  4. Step 4: Simplify right side
    14,426.04x = 186,795,961.69
  5. Step 5: Solve for x
    x = 186,795,961.69/14,426.04
  6. Step 6: Final answer
    x = 12,948.53

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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.