Home / 13,250.56-18,266.51-9,259.29

Finding the Fourth Proportional to 13,250.56, 18,266.51 and 9,259.29

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Solution

The fourth proportional to 13,250.56, 18,266.51 and 9,259.29 is: 12,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.56 : 18,266.51 = 9,259.29 : x
  2. Step 2: Convert to fraction form
    13,250.56/18,266.51 = 9,259.29/x
  3. Step 3: Cross multiply
    13,250.56x = 18,266.51 × 9,259.29
  4. Step 4: Simplify right side
    13,250.56x = 169,134,913.38
  5. Step 5: Solve for x
    x = 169,134,913.38/13,250.56
  6. Step 6: Final answer
    x = 12,764.36

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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.