Home / 13,995.34-19,317.63-11,182.30

Finding the Fourth Proportional to 13,995.34, 19,317.63 and 11,182.30

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Solution

The fourth proportional to 13,995.34, 19,317.63 and 11,182.30 is: 15,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.34 : 19,317.63 = 11,182.30 : x
  2. Step 2: Convert to fraction form
    13,995.34/19,317.63 = 11,182.30/x
  3. Step 3: Cross multiply
    13,995.34x = 19,317.63 × 11,182.30
  4. Step 4: Simplify right side
    13,995.34x = 216,015,533.95
  5. Step 5: Solve for x
    x = 216,015,533.95/13,995.34
  6. Step 6: Final answer
    x = 15,434.82

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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.