Home / 13,250.94-18,287.34-7,587.47

Finding the Fourth Proportional to 13,250.94, 18,287.34 and 7,587.47

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Solution

The fourth proportional to 13,250.94, 18,287.34 and 7,587.47 is: 10,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.94 : 18,287.34 = 7,587.47 : x
  2. Step 2: Convert to fraction form
    13,250.94/18,287.34 = 7,587.47/x
  3. Step 3: Cross multiply
    13,250.94x = 18,287.34 × 7,587.47
  4. Step 4: Simplify right side
    13,250.94x = 138,754,724.91
  5. Step 5: Solve for x
    x = 138,754,724.91/13,250.94
  6. Step 6: Final answer
    x = 10,471.31

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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.