Home / 13,945.04-19,244.16-7,657.80

Finding the Fourth Proportional to 13,945.04, 19,244.16 and 7,657.80

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Solution

The fourth proportional to 13,945.04, 19,244.16 and 7,657.80 is: 10,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.04 : 19,244.16 = 7,657.80 : x
  2. Step 2: Convert to fraction form
    13,945.04/19,244.16 = 7,657.80/x
  3. Step 3: Cross multiply
    13,945.04x = 19,244.16 × 7,657.80
  4. Step 4: Simplify right side
    13,945.04x = 147,367,928.45
  5. Step 5: Solve for x
    x = 147,367,928.45/13,945.04
  6. Step 6: Final answer
    x = 10,567.77

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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.