Home / 13,559.32-18,712.02-7,591.51

Finding the Fourth Proportional to 13,559.32, 18,712.02 and 7,591.51

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Solution

The fourth proportional to 13,559.32, 18,712.02 and 7,591.51 is: 10,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.32 : 18,712.02 = 7,591.51 : x
  2. Step 2: Convert to fraction form
    13,559.32/18,712.02 = 7,591.51/x
  3. Step 3: Cross multiply
    13,559.32x = 18,712.02 × 7,591.51
  4. Step 4: Simplify right side
    13,559.32x = 142,052,486.95
  5. Step 5: Solve for x
    x = 142,052,486.95/13,559.32
  6. Step 6: Final answer
    x = 10,476.37

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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.