Home / 13,965.03-19,271.54-7,591.41

Finding the Fourth Proportional to 13,965.03, 19,271.54 and 7,591.41

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Solution

The fourth proportional to 13,965.03, 19,271.54 and 7,591.41 is: 10,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.03 : 19,271.54 = 7,591.41 : x
  2. Step 2: Convert to fraction form
    13,965.03/19,271.54 = 7,591.41/x
  3. Step 3: Cross multiply
    13,965.03x = 19,271.54 × 7,591.41
  4. Step 4: Simplify right side
    13,965.03x = 146,298,123.51
  5. Step 5: Solve for x
    x = 146,298,123.51/13,965.03
  6. Step 6: Final answer
    x = 10,476.03

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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.