Home / 13,923.69-19,214.30-7,955.24

Finding the Fourth Proportional to 13,923.69, 19,214.30 and 7,955.24

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Solution

The fourth proportional to 13,923.69, 19,214.30 and 7,955.24 is: 10,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.69 : 19,214.30 = 7,955.24 : x
  2. Step 2: Convert to fraction form
    13,923.69/19,214.30 = 7,955.24/x
  3. Step 3: Cross multiply
    13,923.69x = 19,214.30 × 7,955.24
  4. Step 4: Simplify right side
    13,923.69x = 152,854,232.08
  5. Step 5: Solve for x
    x = 152,854,232.08/13,923.69
  6. Step 6: Final answer
    x = 10,978.00

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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.