Home / 13,881.71-19,157.21-7,594.08

Finding the Fourth Proportional to 13,881.71, 19,157.21 and 7,594.08

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Solution

The fourth proportional to 13,881.71, 19,157.21 and 7,594.08 is: 10,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.71 : 19,157.21 = 7,594.08 : x
  2. Step 2: Convert to fraction form
    13,881.71/19,157.21 = 7,594.08/x
  3. Step 3: Cross multiply
    13,881.71x = 19,157.21 × 7,594.08
  4. Step 4: Simplify right side
    13,881.71x = 145,481,390.28
  5. Step 5: Solve for x
    x = 145,481,390.28/13,881.71
  6. Step 6: Final answer
    x = 10,480.08

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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.